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 September climate page to see if the current temperatures in Holtsville is typical for this time of year.
Today · Saturday 5 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 01:00 |
Mostly clear
|
21°C (70°F) | 0 mm (0 in) | 73% | NW 5 m/s (10 knots) |
| 02:00 |
Partly cloudy
|
21°C (70°F) | 0 mm (0 in) | 73% | NW 5 m/s (10 knots) |
| 03:00 |
Partly cloudy
|
20°C (68°F) | 0 mm (0 in) | 75% | NW 5 m/s (10 knots) |
| 04:00 |
Mostly clear
|
20°C (68°F) | 0 mm (0 in) | 78% | NW 5 m/s (10 knots) |
| 05:00 |
Clear skies
|
20°C (68°F) | 0 mm (0 in) | 81% | NW 5 m/s (10 knots) |
| 06:00 |
Clear skies
|
19°C (66°F) | 0 mm (0 in) | 83% | NW 5 m/s (10 knots) |
| 07:00 |
Clear skies
|
19°C (66°F) | 0 mm (0 in) | 84% | NW 5 m/s (10 knots) |
| 08:00 |
Clear skies
|
20°C (68°F) | 0 mm (0 in) | 80% | NW 5 m/s (10 knots) |
| 09:00 |
Clear skies
|
21°C (70°F) | 0 mm (0 in) | 75% | N 5 m/s (10 knots) |
| 10:00 |
Clear skies
|
22°C (72°F) | 0 mm (0 in) | 68% | N 5 m/s (10 knots) |
| 11:00 |
Mostly sunny
|
23°C (73°F) | 0 mm (0 in) | 61% | N 4 m/s (8 knots) |
| 12:00 |
Mostly sunny
|
24°C (75°F) | 0 mm (0 in) | 58% | N 3 m/s (6 knots) |
| 13:00 |
Clear skies
|
24°C (75°F) | 0 mm (0 in) | 57% | N 3 m/s (6 knots) |
| 14:00 |
Light rain showers
|
25°C (77°F) | 0.2 mm (0.01 in) | 55% | N 3 m/s (6 knots) |
| 15:00 |
Rain showers
|
25°C (77°F) | 0.4 mm (0.02 in) | 53% | N 3 m/s (6 knots) |
| 16:00 |
Light rain showers
|
25°C (77°F) | 0.2 mm (0.01 in) | 55% | N 3 m/s (6 knots) |
| 17:00 |
Mostly sunny
|
24°C (75°F) | 0 mm (0 in) | 57% | NW 2 m/s (4 knots) |
| 18:00 |
Partly cloudy
|
24°C (75°F) | 0 mm (0 in) | 57% | NW 2 m/s (4 knots) |
| 19:00 |
Clear skies
|
23°C (73°F) | 0 mm (0 in) | 70% | W 2 m/s (4 knots) |
| 20:00 |
Light rain showers
|
22°C (72°F) | 0.1 mm (0 in) | 71% | N 2 m/s (4 knots) |
| 21:00 |
Light rain showers
|
21°C (70°F) | 0.1 mm (0 in) | 75% | NE 3 m/s (6 knots) |
| 22:00 |
Mostly clear
|
20°C (68°F) | 0 mm (0 in) | 88% | E 7 m/s (14 knots) |
| 23:00 |
Mostly clear
|
19°C (66°F) | 0 mm (0 in) | 91% | E 7 m/s (14 knots) |
01:00
Mostly clear
73% · NW 5 m/s (10 knots)
21°C (70°F)
0 mm (0 in)
02:00
Partly cloudy
73% · NW 5 m/s (10 knots)
21°C (70°F)
0 mm (0 in)
03:00
Partly cloudy
75% · NW 5 m/s (10 knots)
20°C (68°F)
0 mm (0 in)
04:00
Mostly clear
78% · NW 5 m/s (10 knots)
20°C (68°F)
0 mm (0 in)
05:00
Clear skies
81% · NW 5 m/s (10 knots)
20°C (68°F)
0 mm (0 in)
06:00
Clear skies
83% · NW 5 m/s (10 knots)
19°C (66°F)
0 mm (0 in)
07:00
Clear skies
84% · NW 5 m/s (10 knots)
19°C (66°F)
0 mm (0 in)
08:00
Clear skies
80% · NW 5 m/s (10 knots)
20°C (68°F)
0 mm (0 in)
09:00
Clear skies
75% · N 5 m/s (10 knots)
21°C (70°F)
0 mm (0 in)
10:00
Clear skies
68% · N 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
11:00
Mostly sunny
61% · N 4 m/s (8 knots)
23°C (73°F)
0 mm (0 in)
12:00
Mostly sunny
58% · N 3 m/s (6 knots)
24°C (75°F)
0 mm (0 in)
13:00
Clear skies
57% · N 3 m/s (6 knots)
24°C (75°F)
0 mm (0 in)
14:00
Light rain showers
55% · N 3 m/s (6 knots)
25°C (77°F)
0.2 mm (0.01 in)
15:00
Rain showers
53% · N 3 m/s (6 knots)
25°C (77°F)
0.4 mm (0.02 in)
16:00
Light rain showers
55% · N 3 m/s (6 knots)
25°C (77°F)
0.2 mm (0.01 in)
17:00
Mostly sunny
57% · NW 2 m/s (4 knots)
24°C (75°F)
0 mm (0 in)
18:00
Partly cloudy
57% · NW 2 m/s (4 knots)
24°C (75°F)
0 mm (0 in)
19:00
Clear skies
70% · W 2 m/s (4 knots)
23°C (73°F)
0 mm (0 in)
20:00
Light rain showers
71% · N 2 m/s (4 knots)
22°C (72°F)
0.1 mm (0 in)
21:00
Light rain showers
75% · NE 3 m/s (6 knots)
21°C (70°F)
0.1 mm (0 in)
22:00
Mostly clear
88% · E 7 m/s (14 knots)
20°C (68°F)
0 mm (0 in)
23:00
Mostly clear
91% · E 7 m/s (14 knots)
19°C (66°F)
0 mm (0 in)
Tomorrow · Sunday 6 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Mostly clear
|
18°C (64°F) | 0 mm (0 in) | 91% | NE 7 m/s (14 knots) |
| 01:00 |
Clear skies
|
18°C (64°F) | 0 mm (0 in) | 91% | NE 6 m/s (12 knots) |
| 02:00 |
Mostly clear
|
18°C (64°F) | 0 mm (0 in) | 90% | NE 5 m/s (10 knots) |
| 03:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 88% | NE 5 m/s (10 knots) |
| 04:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 84% | NE 5 m/s (10 knots) |
| 05:00 |
Partly cloudy
|
18°C (64°F) | 0 mm (0 in) | 84% | NE 5 m/s (10 knots) |
| 06:00 |
Mostly sunny
|
18°C (64°F) | 0 mm (0 in) | 85% | NE 4 m/s (8 knots) |
| 07:00 |
Partly cloudy
|
18°C (64°F) | 0 mm (0 in) | 84% | NE 4 m/s (8 knots) |
| 08:00 |
Partly cloudy
|
19°C (66°F) | 0 mm (0 in) | 78% | NE 5 m/s (10 knots) |
| 09:00 |
Mostly sunny
|
20°C (68°F) | 0 mm (0 in) | 72% | NE 5 m/s (10 knots) |
| 10:00 |
Mostly sunny
|
21°C (70°F) | 0 mm (0 in) | 63% | NE 4 m/s (8 knots) |
| 11:00 |
Rain showers
|
22°C (72°F) | 0.3 mm (0.01 in) | 59% | NE 4 m/s (8 knots) |
| 12:00 |
Rain showers
|
22°C (72°F) | 0.4 mm (0.02 in) | 60% | NE 3 m/s (6 knots) |
| 13:00 |
Rain showers
|
22°C (72°F) | 0.5 mm (0.02 in) | 57% | NE 2 m/s (4 knots) |
| 14:00 |
Rain showers
|
22°C (72°F) | 0.3 mm (0.01 in) | 55% | NE 3 m/s (6 knots) |
| 15:00 |
Rain showers
|
23°C (73°F) | 0.3 mm (0.01 in) | 54% | SE 3 m/s (6 knots) |
| 16:00 |
Rain showers
|
22°C (72°F) | 0.3 mm (0.01 in) | 58% | S 4 m/s (8 knots) |
| 17:00 |
Rain showers
|
21°C (70°F) | 0.4 mm (0.02 in) | 64% | S 3 m/s (6 knots) |
| 18:00 |
Mostly sunny
|
20°C (68°F) | 0 mm (0 in) | 72% | S 2 m/s (4 knots) |
| 19:00 |
Clear skies
|
20°C (68°F) | 0 mm (0 in) | 77% | S 2 m/s (4 knots) |
| 20:00 |
Clear skies
|
19°C (66°F) | 0 mm (0 in) | 83% | S 1 m/s (2 knots) |
| 21:00 |
Clear skies
|
19°C (66°F) | 0 mm (0 in) | 84% | SW 1 m/s (2 knots) |
| 22:00 |
Clear skies
|
19°C (66°F) | 0 mm (0 in) | 85% | SW 2 m/s (4 knots) |
| 23:00 |
Mostly clear
|
18°C (64°F) | 0 mm (0 in) | 87% | W 2 m/s (4 knots) |
00:00
Mostly clear
91% · NE 7 m/s (14 knots)
18°C (64°F)
0 mm (0 in)
01:00
Clear skies
91% · NE 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
02:00
Mostly clear
90% · NE 5 m/s (10 knots)
18°C (64°F)
0 mm (0 in)
03:00
Cloudy
88% · NE 5 m/s (10 knots)
18°C (64°F)
0 mm (0 in)
04:00
Cloudy
84% · NE 5 m/s (10 knots)
18°C (64°F)
0 mm (0 in)
05:00
Partly cloudy
84% · NE 5 m/s (10 knots)
18°C (64°F)
0 mm (0 in)
06:00
Mostly sunny
85% · NE 4 m/s (8 knots)
18°C (64°F)
0 mm (0 in)
07:00
Partly cloudy
84% · NE 4 m/s (8 knots)
18°C (64°F)
0 mm (0 in)
08:00
Partly cloudy
78% · NE 5 m/s (10 knots)
19°C (66°F)
0 mm (0 in)
09:00
Mostly sunny
72% · NE 5 m/s (10 knots)
20°C (68°F)
0 mm (0 in)
10:00
Mostly sunny
63% · NE 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
11:00
Rain showers
59% · NE 4 m/s (8 knots)
22°C (72°F)
0.3 mm (0.01 in)
12:00
Rain showers
60% · NE 3 m/s (6 knots)
22°C (72°F)
0.4 mm (0.02 in)
13:00
Rain showers
57% · NE 2 m/s (4 knots)
22°C (72°F)
0.5 mm (0.02 in)
14:00
Rain showers
55% · NE 3 m/s (6 knots)
22°C (72°F)
0.3 mm (0.01 in)
15:00
Rain showers
54% · SE 3 m/s (6 knots)
23°C (73°F)
0.3 mm (0.01 in)
16:00
Rain showers
58% · S 4 m/s (8 knots)
22°C (72°F)
0.3 mm (0.01 in)
17:00
Rain showers
64% · S 3 m/s (6 knots)
21°C (70°F)
0.4 mm (0.02 in)
18:00
Mostly sunny
72% · S 2 m/s (4 knots)
20°C (68°F)
0 mm (0 in)
19:00
Clear skies
77% · S 2 m/s (4 knots)
20°C (68°F)
0 mm (0 in)
20:00
Clear skies
83% · S 1 m/s (2 knots)
19°C (66°F)
0 mm (0 in)
21:00
Clear skies
84% · SW 1 m/s (2 knots)
19°C (66°F)
0 mm (0 in)
22:00
Clear skies
85% · SW 2 m/s (4 knots)
19°C (66°F)
0 mm (0 in)
23:00
Mostly clear
87% · W 2 m/s (4 knots)
18°C (64°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
7 Sep
18°C (64°F)
0 mm (0 in)
Clear skies
87% · NW 4 m/s (8 knots)
18°C (64°F)
0 mm (0 in)
Clear skies
78% · NW 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
Clear skies
39% · NW 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
Mostly clear
62% · NW 1 m/s (2 knots)
Mon
7 Sep
night
18°C (64°F)
0 mm (0 in)
Clear skies
87%
4 m/s (8 knots)
morning
18°C (64°F)
0 mm (0 in)
Clear skies
78%
4 m/s (8 knots)
afternoon
25°C (77°F)
0 mm (0 in)
Clear skies
39%
4 m/s (8 knots)
evening
21°C (70°F)
0 mm (0 in)
Mostly clear
62%
1 m/s (2 knots)
Tuesday
8 Sep
20°C (68°F)
0 mm (0 in)
Clear skies
73% · SW 3 m/s (6 knots)
19°C (66°F)
0 mm (0 in)
Mostly sunny
82% · NW 2 m/s (4 knots)
26°C (79°F)
0 mm (0 in)
Clear skies
43% · W 2 m/s (4 knots)
22°C (72°F)
0 mm (0 in)
Mostly clear
73% · S 1 m/s (2 knots)
Tue
8 Sep
night
20°C (68°F)
0 mm (0 in)
Clear skies
73%
3 m/s (6 knots)
morning
19°C (66°F)
0 mm (0 in)
Mostly sunny
82%
2 m/s (4 knots)
afternoon
26°C (79°F)
0 mm (0 in)
Clear skies
43%
2 m/s (4 knots)
evening
22°C (72°F)
0 mm (0 in)
Mostly clear
73%
1 m/s (2 knots)
Wednesday
9 Sep
22°C (72°F)
0 mm (0 in)
Partly cloudy
90% · SW 2 m/s (4 knots)
21°C (70°F)
0 mm (0 in)
Mostly sunny
70% · W 2 m/s (4 knots)
25°C (77°F)
0 mm (0 in)
Clear skies
62% · SW 5 m/s (10 knots)
23°C (73°F)
0 mm (0 in)
Partly cloudy
83% · S 6 m/s (12 knots)
Wed
9 Sep
night
22°C (72°F)
0 mm (0 in)
Partly cloudy
90%
2 m/s (4 knots)
morning
21°C (70°F)
0 mm (0 in)
Mostly sunny
70%
2 m/s (4 knots)
afternoon
25°C (77°F)
0 mm (0 in)
Clear skies
62%
5 m/s (10 knots)
evening
23°C (73°F)
0 mm (0 in)
Partly cloudy
83%
6 m/s (12 knots)
Thursday
10 Sep
24°C (75°F)
0.1 mm (0 in)
Clear skies
77% · SW 7 m/s (14 knots)
25°C (77°F)
0 mm (0 in)
Partly cloudy
72% · SW 4 m/s (8 knots)
31°C (88°F)
0 mm (0 in)
Mostly sunny
49% · SW 4 m/s (8 knots)
28°C (82°F)
0 mm (0 in)
Partly cloudy
56% · NW 2 m/s (4 knots)
Thu
10 Sep
night
24°C (75°F)
0.1 mm (0 in)
Clear skies
77%
7 m/s (14 knots)
morning
25°C (77°F)
0 mm (0 in)
Partly cloudy
72%
4 m/s (8 knots)
afternoon
31°C (88°F)
0 mm (0 in)
Mostly sunny
49%
4 m/s (8 knots)
evening
28°C (82°F)
0 mm (0 in)
Partly cloudy
56%
2 m/s (4 knots)
Friday
11 Sep
24°C (75°F)
0 mm (0 in)
Partly cloudy
74% · NW 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
Mostly sunny
65% · N 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
Clear skies
35% · NW 3 m/s (6 knots)
24°C (75°F)
0 mm (0 in)
Partly cloudy
49% · E 1 m/s (2 knots)
Fri
11 Sep
night
24°C (75°F)
0 mm (0 in)
Partly cloudy
74%
4 m/s (8 knots)
morning
21°C (70°F)
0 mm (0 in)
Mostly sunny
65%
3 m/s (6 knots)
afternoon
27°C (81°F)
0 mm (0 in)
Clear skies
35%
3 m/s (6 knots)
evening
24°C (75°F)
0 mm (0 in)
Partly cloudy
49%
1 m/s (2 knots)
Saturday
12 Sep
21°C (70°F)
0 mm (0 in)
Clear skies
76% · N 1 m/s (2 knots)
20°C (68°F)
0.5 mm (0.02 in)
Clear skies
78% · NE 2 m/s (4 knots)
24°C (75°F)
1.6 mm (0.1 in)
Rain showers
66% · S 5 m/s (10 knots)
23°C (73°F)
0 mm (0 in)
Clear skies
83% · S 4 m/s (8 knots)
Sat
12 Sep
night
21°C (70°F)
0 mm (0 in)
Clear skies
76%
1 m/s (2 knots)
morning
20°C (68°F)
0.5 mm (0.02 in)
Clear skies
78%
2 m/s (4 knots)
afternoon
24°C (75°F)
1.6 mm (0.1 in)
Rain showers
66%
5 m/s (10 knots)
evening
23°C (73°F)
0 mm (0 in)
Clear skies
83%
4 m/s (8 knots)
Sunday
13 Sep
23°C (73°F)
0 mm (0 in)
Clear skies
88% · SW 5 m/s (10 knots)
23°C (73°F)
0 mm (0 in)
Mostly sunny
77% · SW 4 m/s (8 knots)
30°C (86°F)
0 mm (0 in)
Mostly sunny
37% · W 4 m/s (8 knots)
25°C (77°F)
0 mm (0 in)
Partly cloudy
42% · NW 5 m/s (10 knots)
Sun
13 Sep
night
23°C (73°F)
0 mm (0 in)
Clear skies
88%
5 m/s (10 knots)
morning
23°C (73°F)
0 mm (0 in)
Mostly sunny
77%
4 m/s (8 knots)
afternoon
30°C (86°F)
0 mm (0 in)
Mostly sunny
37%
4 m/s (8 knots)
evening
25°C (77°F)
0 mm (0 in)
Partly cloudy
42%
5 m/s (10 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Holtsville weather by month
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