Extended 10-day forecasts, Holtsville (NY)
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for Holtsville, the United States of America. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our July climate page to see if the current temperatures in Holtsville is typical for this time of year.
Today · Saturday 18 Jul
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 80% | SW 5 m/s (10 knots) |
| 01:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 83% | SW 5 m/s (10 knots) |
| 02:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 85% | SW 6 m/s (12 knots) |
| 03:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 85% | SW 6 m/s (12 knots) |
| 04:00 |
Cloudy
|
23°C (73°F) | 0 mm (0 in) | 85% | SW 6 m/s (12 knots) |
| 05:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 87% | S 6 m/s (12 knots) |
| 06:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 89% | S 6 m/s (12 knots) |
| 07:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 86% | S 6 m/s (12 knots) |
| 08:00 |
Partly cloudy
|
24°C (75°F) | 0 mm (0 in) | 80% | S 6 m/s (12 knots) |
| 09:00 |
Partly cloudy
|
25°C (77°F) | 0 mm (0 in) | 72% | SW 7 m/s (14 knots) |
| 10:00 |
Partly cloudy
|
26°C (79°F) | 0 mm (0 in) | 67% | S 7 m/s (14 knots) |
| 11:00 |
Rain
|
27°C (81°F) | 0.6 mm (0.02 in) | 62% | SW 8 m/s (16 knots) |
| 12:00 |
Heavy rain
|
25°C (77°F) | 2.6 mm (0.1 in) | 67% | SW 9 m/s (17 knots) |
| 13:00 |
Light rain
|
22°C (72°F) | 0.2 mm (0.01 in) | 88% | SW 9 m/s (17 knots) |
| 14:00 |
Light rain showers
|
23°C (73°F) | 0.1 mm (0 in) | 83% | S 8 m/s (16 knots) |
| 15:00 |
Heavy rain showers
|
25°C (77°F) | 5.2 mm (0.2 in) | 77% | S 10 m/s (19 knots) |
| 16:00 |
Heavy rain
|
24°C (75°F) | 4.2 mm (0.2 in) | 96% | S 9 m/s (17 knots) |
| 17:00 |
Rain
|
25°C (77°F) | 0.3 mm (0.01 in) | 96% | S 9 m/s (17 knots) |
| 18:00 |
Cloudy
|
25°C (77°F) | 0 mm (0 in) | 94% | S 9 m/s (17 knots) |
| 19:00 |
Cloudy
|
25°C (77°F) | 0 mm (0 in) | 92% | SW 11 m/s (21 knots) |
| 20:00 |
Partly cloudy
|
25°C (77°F) | 0 mm (0 in) | 91% | SW 12 m/s (23 knots) |
| 21:00 |
Heavy rain showers
|
25°C (77°F) | 3.6 mm (0.1 in) | 90% | SW 11 m/s (21 knots) |
| 22:00 |
Heavy rain
|
23°C (73°F) | 7 mm (0.3 in) | 95% | W 10 m/s (19 knots) |
| 23:00 |
Fog
|
23°C (73°F) | 0 mm (0 in) | 99% | S 4 m/s (8 knots) |
00:00
Partly cloudy
80% · SW 5 m/s (10 knots)
23°C (73°F)
0 mm (0 in)
01:00
Partly cloudy
83% · SW 5 m/s (10 knots)
23°C (73°F)
0 mm (0 in)
02:00
Partly cloudy
85% · SW 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
03:00
Partly cloudy
85% · SW 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
04:00
Cloudy
85% · SW 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
05:00
Partly cloudy
87% · S 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
06:00
Partly cloudy
89% · S 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
07:00
Partly cloudy
86% · S 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
08:00
Partly cloudy
80% · S 6 m/s (12 knots)
24°C (75°F)
0 mm (0 in)
09:00
Partly cloudy
72% · SW 7 m/s (14 knots)
25°C (77°F)
0 mm (0 in)
10:00
Partly cloudy
67% · S 7 m/s (14 knots)
26°C (79°F)
0 mm (0 in)
11:00
Rain
62% · SW 8 m/s (16 knots)
27°C (81°F)
0.6 mm (0.02 in)
12:00
Heavy rain
67% · SW 9 m/s (17 knots)
25°C (77°F)
2.6 mm (0.1 in)
13:00
Light rain
88% · SW 9 m/s (17 knots)
22°C (72°F)
0.2 mm (0.01 in)
14:00
Light rain showers
83% · S 8 m/s (16 knots)
23°C (73°F)
0.1 mm (0 in)
15:00
Heavy rain showers
77% · S 10 m/s (19 knots)
25°C (77°F)
5.2 mm (0.2 in)
16:00
Heavy rain
96% · S 9 m/s (17 knots)
24°C (75°F)
4.2 mm (0.2 in)
17:00
Rain
96% · S 9 m/s (17 knots)
25°C (77°F)
0.3 mm (0.01 in)
18:00
Cloudy
94% · S 9 m/s (17 knots)
25°C (77°F)
0 mm (0 in)
19:00
Cloudy
92% · SW 11 m/s (21 knots)
25°C (77°F)
0 mm (0 in)
20:00
Partly cloudy
91% · SW 12 m/s (23 knots)
25°C (77°F)
0 mm (0 in)
21:00
Heavy rain showers
90% · SW 11 m/s (21 knots)
25°C (77°F)
3.6 mm (0.1 in)
22:00
Heavy rain
95% · W 10 m/s (19 knots)
23°C (73°F)
7 mm (0.3 in)
23:00
Fog
99% · S 4 m/s (8 knots)
23°C (73°F)
0 mm (0 in)
Tomorrow · Sunday 19 Jul
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Cloudy
|
24°C (75°F) | 0 mm (0 in) | 95% | SW 7 m/s (14 knots) |
| 01:00 |
Partly cloudy
|
25°C (77°F) | 0 mm (0 in) | 93% | SW 9 m/s (17 knots) |
| 02:00 |
Partly cloudy
|
24°C (75°F) | 0 mm (0 in) | 93% | W 10 m/s (19 knots) |
| 03:00 |
Partly cloudy
|
24°C (75°F) | 0 mm (0 in) | 92% | W 8 m/s (16 knots) |
| 04:00 |
Partly cloudy
|
24°C (75°F) | 0 mm (0 in) | 90% | W 7 m/s (14 knots) |
| 05:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 88% | NW 7 m/s (14 knots) |
| 06:00 |
Partly cloudy
|
23°C (73°F) | 0 mm (0 in) | 86% | NW 7 m/s (14 knots) |
| 07:00 |
Clear skies
|
23°C (73°F) | 0 mm (0 in) | 85% | NW 6 m/s (12 knots) |
| 08:00 |
Clear skies
|
23°C (73°F) | 0 mm (0 in) | 79% | NW 6 m/s (12 knots) |
| 09:00 |
Clear skies
|
23°C (73°F) | 0 mm (0 in) | 73% | NW 6 m/s (12 knots) |
| 10:00 |
Clear skies
|
23°C (73°F) | 0 mm (0 in) | 61% | N 6 m/s (12 knots) |
| 11:00 |
Clear skies
|
24°C (75°F) | 0 mm (0 in) | 59% | NW 5 m/s (10 knots) |
| 12:00 |
Clear skies
|
25°C (77°F) | 0 mm (0 in) | 58% | NW 4 m/s (8 knots) |
| 13:00 |
Clear skies
|
25°C (77°F) | 0 mm (0 in) | 57% | NW 4 m/s (8 knots) |
| 14:00 |
Clear skies
|
25°C (77°F) | 0 mm (0 in) | 57% | NW 4 m/s (8 knots) |
| 15:00 |
Mostly sunny
|
26°C (79°F) | 0 mm (0 in) | 55% | NW 3 m/s (6 knots) |
| 16:00 |
Mostly sunny
|
26°C (79°F) | 0 mm (0 in) | 52% | NW 3 m/s (6 knots) |
| 17:00 |
Mostly sunny
|
26°C (79°F) | 0 mm (0 in) | 53% | W 5 m/s (10 knots) |
| 18:00 |
Mostly sunny
|
25°C (77°F) | 0 mm (0 in) | 55% | SW 4 m/s (8 knots) |
| 19:00 |
Clear skies
|
24°C (75°F) | 0 mm (0 in) | 68% | SW 4 m/s (8 knots) |
| 20:00 |
Clear skies
|
23°C (73°F) | 0 mm (0 in) | 78% | SW 4 m/s (8 knots) |
| 21:00 |
Clear skies
|
22°C (72°F) | 0 mm (0 in) | 83% | W 3 m/s (6 knots) |
| 22:00 |
Clear skies
|
22°C (72°F) | 0 mm (0 in) | 79% | N 3 m/s (6 knots) |
| 23:00 |
Clear skies
|
21°C (70°F) | 0 mm (0 in) | 71% | N 3 m/s (6 knots) |
00:00
Cloudy
95% · SW 7 m/s (14 knots)
24°C (75°F)
0 mm (0 in)
01:00
Partly cloudy
93% · SW 9 m/s (17 knots)
25°C (77°F)
0 mm (0 in)
02:00
Partly cloudy
93% · W 10 m/s (19 knots)
24°C (75°F)
0 mm (0 in)
03:00
Partly cloudy
92% · W 8 m/s (16 knots)
24°C (75°F)
0 mm (0 in)
04:00
Partly cloudy
90% · W 7 m/s (14 knots)
24°C (75°F)
0 mm (0 in)
05:00
Partly cloudy
88% · NW 7 m/s (14 knots)
23°C (73°F)
0 mm (0 in)
06:00
Partly cloudy
86% · NW 7 m/s (14 knots)
23°C (73°F)
0 mm (0 in)
07:00
Clear skies
85% · NW 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
08:00
Clear skies
79% · NW 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
09:00
Clear skies
73% · NW 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
10:00
Clear skies
61% · N 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
11:00
Clear skies
59% · NW 5 m/s (10 knots)
24°C (75°F)
0 mm (0 in)
12:00
Clear skies
58% · NW 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
13:00
Clear skies
57% · NW 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
14:00
Clear skies
57% · NW 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
15:00
Mostly sunny
55% · NW 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
16:00
Mostly sunny
52% · NW 3 m/s (6 knots)
26°C (79°F)
0 mm (0 in)
17:00
Mostly sunny
53% · W 5 m/s (10 knots)
26°C (79°F)
0 mm (0 in)
18:00
Mostly sunny
55% · SW 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
19:00
Clear skies
68% · SW 4 m/s (8 knots)
24°C (75°F)
0 mm (0 in)
20:00
Clear skies
78% · SW 4 m/s (8 knots)
23°C (73°F)
0 mm (0 in)
21:00
Clear skies
83% · W 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
22:00
Clear skies
79% · N 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
23:00
Clear skies
71% · N 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
02:00
Morning
08:00
Afternoon
14:00
Evening
20:00
Monday
20 Jul
20°C (68°F)
0 mm (0 in)
Mostly clear
77% · N 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
Partly cloudy
74% · N 3 m/s (6 knots)
24°C (75°F)
0 mm (0 in)
Partly cloudy
60% · S 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
Cloudy
79% · S 2 m/s (4 knots)
Mon
20 Jul
night
20°C (68°F)
0 mm (0 in)
Mostly clear
77%
2 m/s (4 knots)
morning
21°C (70°F)
0 mm (0 in)
Partly cloudy
74%
3 m/s (6 knots)
afternoon
24°C (75°F)
0 mm (0 in)
Partly cloudy
60%
3 m/s (6 knots)
evening
22°C (72°F)
0 mm (0 in)
Cloudy
79%
2 m/s (4 knots)
Tuesday
21 Jul
22°C (72°F)
0 mm (0 in)
Partly cloudy
90% · SE 3 m/s (6 knots)
23°C (73°F)
0.4 mm (0.02 in)
Cloudy
83% · SE 5 m/s (10 knots)
24°C (75°F)
0.6 mm (0.02 in)
Light rain
85% · SE 4 m/s (8 knots)
24°C (75°F)
0.8 mm (0.03 in)
Light rain
94% · S 2 m/s (4 knots)
Tue
21 Jul
night
22°C (72°F)
0 mm (0 in)
Partly cloudy
90%
3 m/s (6 knots)
morning
23°C (73°F)
0.4 mm (0.02 in)
Cloudy
83%
5 m/s (10 knots)
afternoon
24°C (75°F)
0.6 mm (0.02 in)
Light rain
85%
4 m/s (8 knots)
evening
24°C (75°F)
0.8 mm (0.03 in)
Light rain
94%
2 m/s (4 knots)
Wednesday
22 Jul
24°C (75°F)
10 mm (0.4 in)
Heavy rain showers
96% · SW 4 m/s (8 knots)
22°C (72°F)
9.2 mm (0.4 in)
Heavy rain showers
94% · S 5 m/s (10 knots)
26°C (79°F)
0.6 mm (0.02 in)
Light rain showers
82% · SW 5 m/s (10 knots)
24°C (75°F)
0 mm (0 in)
Mostly clear
87% · SW 5 m/s (10 knots)
Wed
22 Jul
night
24°C (75°F)
10 mm (0.4 in)
Heavy rain showers
96%
4 m/s (8 knots)
morning
22°C (72°F)
9.2 mm (0.4 in)
Heavy rain showers
94%
5 m/s (10 knots)
afternoon
26°C (79°F)
0.6 mm (0.02 in)
Light rain showers
82%
5 m/s (10 knots)
evening
24°C (75°F)
0 mm (0 in)
Mostly clear
87%
5 m/s (10 knots)
Thursday
23 Jul
21°C (70°F)
0 mm (0 in)
Clear skies
77% · W 3 m/s (6 knots)
20°C (68°F)
0 mm (0 in)
Clear skies
75% · W 4 m/s (8 knots)
24°C (75°F)
0 mm (0 in)
Cloudy
53% · W 4 m/s (8 knots)
22°C (72°F)
0 mm (0 in)
Clear skies
65% · W 2 m/s (4 knots)
Thu
23 Jul
night
21°C (70°F)
0 mm (0 in)
Clear skies
77%
3 m/s (6 knots)
morning
20°C (68°F)
0 mm (0 in)
Clear skies
75%
4 m/s (8 knots)
afternoon
24°C (75°F)
0 mm (0 in)
Cloudy
53%
4 m/s (8 knots)
evening
22°C (72°F)
0 mm (0 in)
Clear skies
65%
2 m/s (4 knots)
Friday
24 Jul
18°C (64°F)
0 mm (0 in)
Clear skies
78% · W 2 m/s (4 knots)
20°C (68°F)
0 mm (0 in)
Clear skies
77% · NW 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
Clear skies
49% · SW 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
Clear skies
70% · SW 3 m/s (6 knots)
Fri
24 Jul
night
18°C (64°F)
0 mm (0 in)
Clear skies
78%
2 m/s (4 knots)
morning
20°C (68°F)
0 mm (0 in)
Clear skies
77%
2 m/s (4 knots)
afternoon
25°C (77°F)
0 mm (0 in)
Clear skies
49%
3 m/s (6 knots)
evening
22°C (72°F)
0 mm (0 in)
Clear skies
70%
3 m/s (6 knots)
Saturday
25 Jul
21°C (70°F)
0 mm (0 in)
Clear skies
85% · SW 3 m/s (6 knots)
22°C (72°F)
0.1 mm (0 in)
Clear skies
78% · W 2 m/s (4 knots)
26°C (79°F)
0.4 mm (0.02 in)
Partly cloudy
67% · SW 4 m/s (8 knots)
24°C (75°F)
0.3 mm (0.01 in)
Partly cloudy
87% · SW 4 m/s (8 knots)
Sat
25 Jul
night
21°C (70°F)
0 mm (0 in)
Clear skies
85%
3 m/s (6 knots)
morning
22°C (72°F)
0.1 mm (0 in)
Clear skies
78%
2 m/s (4 knots)
afternoon
26°C (79°F)
0.4 mm (0.02 in)
Partly cloudy
67%
4 m/s (8 knots)
evening
24°C (75°F)
0.3 mm (0.01 in)
Partly cloudy
87%
4 m/s (8 knots)
Sunday
26 Jul
21°C (70°F)
0 mm (0 in)
Clear skies
96% · N 1 m/s (2 knots)
22°C (72°F)
0.3 mm (0.01 in)
Clear skies
82% · N 2 m/s (4 knots)
27°C (81°F)
0.3 mm (0.01 in)
Partly cloudy
60% · NW 1 m/s (2 knots)
25°C (77°F)
0 mm (0 in)
Clear skies
63% · NW 2 m/s (4 knots)
Sun
26 Jul
night
21°C (70°F)
0 mm (0 in)
Clear skies
96%
1 m/s (2 knots)
morning
22°C (72°F)
0.3 mm (0.01 in)
Clear skies
82%
2 m/s (4 knots)
afternoon
27°C (81°F)
0.3 mm (0.01 in)
Partly cloudy
60%
1 m/s (2 knots)
evening
25°C (77°F)
0 mm (0 in)
Clear skies
63%
2 m/s (4 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Holtsville weather by month
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