Extended 10-day forecasts, Chelmsford (MA)
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for Chelmsford, 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 Chelmsford is typical for this time of year.
Today · Saturday 5 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 02:00 |
Clear skies
|
18°C (64°F) | 0 mm (0 in) | 78% | NW 3 m/s (6 knots) |
| 03:00 |
Clear skies
|
17°C (63°F) | 0 mm (0 in) | 80% | NW 3 m/s (6 knots) |
| 04:00 |
Clear skies
|
17°C (63°F) | 0 mm (0 in) | 84% | NW 3 m/s (6 knots) |
| 05:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 86% | NW 3 m/s (6 knots) |
| 06:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 89% | NW 3 m/s (6 knots) |
| 07:00 |
Clear skies
|
17°C (63°F) | 0 mm (0 in) | 87% | NW 3 m/s (6 knots) |
| 08:00 |
Clear skies
|
18°C (64°F) | 0 mm (0 in) | 81% | NW 3 m/s (6 knots) |
| 09:00 |
Light rain showers
|
20°C (68°F) | 0.2 mm (0.01 in) | 75% | N 3 m/s (6 knots) |
| 10:00 |
Rain showers
|
21°C (70°F) | 0.3 mm (0.01 in) | 67% | NE 3 m/s (6 knots) |
| 11:00 |
Light rain showers
|
21°C (70°F) | 0.2 mm (0.01 in) | 67% | NE 3 m/s (6 knots) |
| 12:00 |
Mostly sunny
|
22°C (72°F) | 0 mm (0 in) | 67% | NE 4 m/s (8 knots) |
| 13:00 |
Heavy rain
|
23°C (73°F) | 1.2 mm (0.05 in) | 64% | NE 3 m/s (6 knots) |
| 14:00 |
Rain showers
|
21°C (70°F) | 0.4 mm (0.02 in) | 74% | NE 4 m/s (8 knots) |
| 15:00 |
Heavy rain showers
|
21°C (70°F) | 1.4 mm (0.1 in) | 77% | E 3 m/s (6 knots) |
| 16:00 |
Rain showers
|
19°C (66°F) | 0.4 mm (0.02 in) | 87% | NE 3 m/s (6 knots) |
| 17:00 |
Light rain showers
|
19°C (66°F) | 0.2 mm (0.01 in) | 86% | E 4 m/s (8 knots) |
| 18:00 |
Light rain
|
18°C (64°F) | 0.2 mm (0.01 in) | 84% | E 3 m/s (6 knots) |
| 19:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 86% | E 2 m/s (4 knots) |
| 20:00 |
Light rain
|
17°C (63°F) | 0.1 mm (0 in) | 88% | E 2 m/s (4 knots) |
| 21:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 89% | N () |
| 22:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 93% | W 1 m/s (2 knots) |
| 23:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 96% | NW 2 m/s (4 knots) |
02:00
Clear skies
78% · NW 3 m/s (6 knots)
18°C (64°F)
0 mm (0 in)
03:00
Clear skies
80% · NW 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
04:00
Clear skies
84% · NW 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
05:00
Clear skies
86% · NW 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
06:00
Clear skies
89% · NW 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
07:00
Clear skies
87% · NW 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
08:00
Clear skies
81% · NW 3 m/s (6 knots)
18°C (64°F)
0 mm (0 in)
09:00
Light rain showers
75% · N 3 m/s (6 knots)
20°C (68°F)
0.2 mm (0.01 in)
10:00
Rain showers
67% · NE 3 m/s (6 knots)
21°C (70°F)
0.3 mm (0.01 in)
11:00
Light rain showers
67% · NE 3 m/s (6 knots)
21°C (70°F)
0.2 mm (0.01 in)
12:00
Mostly sunny
67% · NE 4 m/s (8 knots)
22°C (72°F)
0 mm (0 in)
13:00
Heavy rain
64% · NE 3 m/s (6 knots)
23°C (73°F)
1.2 mm (0.05 in)
14:00
Rain showers
74% · NE 4 m/s (8 knots)
21°C (70°F)
0.4 mm (0.02 in)
15:00
Heavy rain showers
77% · E 3 m/s (6 knots)
21°C (70°F)
1.4 mm (0.1 in)
16:00
Rain showers
87% · NE 3 m/s (6 knots)
19°C (66°F)
0.4 mm (0.02 in)
17:00
Light rain showers
86% · E 4 m/s (8 knots)
19°C (66°F)
0.2 mm (0.01 in)
18:00
Light rain
84% · E 3 m/s (6 knots)
18°C (64°F)
0.2 mm (0.01 in)
19:00
Cloudy
86% · E 2 m/s (4 knots)
18°C (64°F)
0 mm (0 in)
20:00
Light rain
88% · E 2 m/s (4 knots)
17°C (63°F)
0.1 mm (0 in)
21:00
Cloudy
89% · N ()
17°C (63°F)
0 mm (0 in)
22:00
Cloudy
93% · W 1 m/s (2 knots)
17°C (63°F)
0 mm (0 in)
23:00
Cloudy
96% · NW 2 m/s (4 knots)
16°C (61°F)
0 mm (0 in)
Tomorrow · Sunday 6 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 96% | NW 2 m/s (4 knots) |
| 01:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 95% | NW 2 m/s (4 knots) |
| 02:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 96% | N 3 m/s (6 knots) |
| 03:00 |
Cloudy
|
16°C (61°F) | 0 mm (0 in) | 95% | N 3 m/s (6 knots) |
| 04:00 |
Cloudy
|
15°C (59°F) | 0 mm (0 in) | 95% | N 3 m/s (6 knots) |
| 05:00 |
Light rain
|
15°C (59°F) | 0.1 mm (0 in) | 96% | N 3 m/s (6 knots) |
| 06:00 |
Cloudy
|
15°C (59°F) | 0 mm (0 in) | 95% | N 3 m/s (6 knots) |
| 07:00 |
Partly cloudy
|
15°C (59°F) | 0 mm (0 in) | 94% | N 2 m/s (4 knots) |
| 08:00 |
Clear skies
|
15°C (59°F) | 0 mm (0 in) | 89% | N 2 m/s (4 knots) |
| 09:00 |
Clear skies
|
17°C (63°F) | 0 mm (0 in) | 80% | N 2 m/s (4 knots) |
| 10:00 |
Clear skies
|
18°C (64°F) | 0 mm (0 in) | 70% | N 2 m/s (4 knots) |
| 11:00 |
Light rain showers
|
19°C (66°F) | 0.2 mm (0.01 in) | 61% | N 3 m/s (6 knots) |
| 12:00 |
Rain showers
|
21°C (70°F) | 0.3 mm (0.01 in) | 55% | N 3 m/s (6 knots) |
| 13:00 |
Light rain showers
|
21°C (70°F) | 0.1 mm (0 in) | 54% | N 3 m/s (6 knots) |
| 14:00 |
Mostly sunny
|
22°C (72°F) | 0 mm (0 in) | 53% | N 3 m/s (6 knots) |
| 15:00 |
Light rain showers
|
22°C (72°F) | 0.2 mm (0.01 in) | 51% | N 3 m/s (6 knots) |
| 16:00 |
Rain showers
|
22°C (72°F) | 0.3 mm (0.01 in) | 53% | N 3 m/s (6 knots) |
| 17:00 |
Mostly sunny
|
21°C (70°F) | 0 mm (0 in) | 57% | N 3 m/s (6 knots) |
| 18:00 |
Clear skies
|
20°C (68°F) | 0 mm (0 in) | 66% | NE 2 m/s (4 knots) |
| 19:00 |
Clear skies
|
18°C (64°F) | 0 mm (0 in) | 80% | S 2 m/s (4 knots) |
| 20:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 89% | SW 2 m/s (4 knots) |
| 21:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 89% | W 3 m/s (6 knots) |
| 22:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 79% | NW 3 m/s (6 knots) |
| 23:00 |
Clear skies
|
15°C (59°F) | 0 mm (0 in) | 72% | NW 3 m/s (6 knots) |
00:00
Cloudy
96% · NW 2 m/s (4 knots)
16°C (61°F)
0 mm (0 in)
01:00
Cloudy
95% · NW 2 m/s (4 knots)
16°C (61°F)
0 mm (0 in)
02:00
Partly cloudy
96% · N 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
03:00
Cloudy
95% · N 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
04:00
Cloudy
95% · N 3 m/s (6 knots)
15°C (59°F)
0 mm (0 in)
05:00
Light rain
96% · N 3 m/s (6 knots)
15°C (59°F)
0.1 mm (0 in)
06:00
Cloudy
95% · N 3 m/s (6 knots)
15°C (59°F)
0 mm (0 in)
07:00
Partly cloudy
94% · N 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
08:00
Clear skies
89% · N 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
09:00
Clear skies
80% · N 2 m/s (4 knots)
17°C (63°F)
0 mm (0 in)
10:00
Clear skies
70% · N 2 m/s (4 knots)
18°C (64°F)
0 mm (0 in)
11:00
Light rain showers
61% · N 3 m/s (6 knots)
19°C (66°F)
0.2 mm (0.01 in)
12:00
Rain showers
55% · N 3 m/s (6 knots)
21°C (70°F)
0.3 mm (0.01 in)
13:00
Light rain showers
54% · N 3 m/s (6 knots)
21°C (70°F)
0.1 mm (0 in)
14:00
Mostly sunny
53% · N 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
15:00
Light rain showers
51% · N 3 m/s (6 knots)
22°C (72°F)
0.2 mm (0.01 in)
16:00
Rain showers
53% · N 3 m/s (6 knots)
22°C (72°F)
0.3 mm (0.01 in)
17:00
Mostly sunny
57% · N 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
18:00
Clear skies
66% · NE 2 m/s (4 knots)
20°C (68°F)
0 mm (0 in)
19:00
Clear skies
80% · S 2 m/s (4 knots)
18°C (64°F)
0 mm (0 in)
20:00
Clear skies
89% · SW 2 m/s (4 knots)
16°C (61°F)
0 mm (0 in)
21:00
Clear skies
89% · W 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
22:00
Clear skies
79% · NW 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
23:00
Clear skies
72% · NW 3 m/s (6 knots)
15°C (59°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
14°C (57°F)
0 mm (0 in)
Clear skies
83% · NW 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
Clear skies
76% · NW 3 m/s (6 knots)
25°C (77°F)
0 mm (0 in)
Clear skies
36% · NW 4 m/s (8 knots)
20°C (68°F)
0 mm (0 in)
Cloudy
58% · NW 3 m/s (6 knots)
Mon
7 Sep
night
14°C (57°F)
0 mm (0 in)
Clear skies
83%
3 m/s (6 knots)
morning
17°C (63°F)
0 mm (0 in)
Clear skies
76%
3 m/s (6 knots)
afternoon
25°C (77°F)
0 mm (0 in)
Clear skies
36%
4 m/s (8 knots)
evening
20°C (68°F)
0 mm (0 in)
Cloudy
58%
3 m/s (6 knots)
Tuesday
8 Sep
15°C (59°F)
0 mm (0 in)
Clear skies
75% · W 2 m/s (4 knots)
18°C (64°F)
0 mm (0 in)
Clear skies
72% · W 3 m/s (6 knots)
27°C (81°F)
0 mm (0 in)
Cloudy
41% · NW 3 m/s (6 knots)
22°C (72°F)
0 mm (0 in)
Cloudy
65% · NW 2 m/s (4 knots)
Tue
8 Sep
night
15°C (59°F)
0 mm (0 in)
Clear skies
75%
2 m/s (4 knots)
morning
18°C (64°F)
0 mm (0 in)
Clear skies
72%
3 m/s (6 knots)
afternoon
27°C (81°F)
0 mm (0 in)
Cloudy
41%
3 m/s (6 knots)
evening
22°C (72°F)
0 mm (0 in)
Cloudy
65%
2 m/s (4 knots)
Wednesday
9 Sep
18°C (64°F)
0 mm (0 in)
Cloudy
80% · N 1 m/s (2 knots)
18°C (64°F)
0 mm (0 in)
Cloudy
77% · N 1 m/s (2 knots)
25°C (77°F)
0 mm (0 in)
Partly cloudy
58% · S 2 m/s (4 knots)
23°C (73°F)
0.5 mm (0.02 in)
Light rain showers
67% · S 5 m/s (10 knots)
Wed
9 Sep
night
18°C (64°F)
0 mm (0 in)
Cloudy
80%
1 m/s (2 knots)
morning
18°C (64°F)
0 mm (0 in)
Cloudy
77%
1 m/s (2 knots)
afternoon
25°C (77°F)
0 mm (0 in)
Partly cloudy
58%
2 m/s (4 knots)
evening
23°C (73°F)
0.5 mm (0.02 in)
Light rain showers
67%
5 m/s (10 knots)
Thursday
10 Sep
22°C (72°F)
5.8 mm (0.2 in)
Heavy rain showers
80% · SW 6 m/s (12 knots)
22°C (72°F)
0 mm (0 in)
Mostly sunny
87% · W 5 m/s (10 knots)
28°C (82°F)
0 mm (0 in)
Partly cloudy
40% · W 6 m/s (12 knots)
23°C (73°F)
0 mm (0 in)
Cloudy
58% · W 4 m/s (8 knots)
Thu
10 Sep
night
22°C (72°F)
5.8 mm (0.2 in)
Heavy rain showers
80%
6 m/s (12 knots)
morning
22°C (72°F)
0 mm (0 in)
Mostly sunny
87%
5 m/s (10 knots)
afternoon
28°C (82°F)
0 mm (0 in)
Partly cloudy
40%
6 m/s (12 knots)
evening
23°C (73°F)
0 mm (0 in)
Cloudy
58%
4 m/s (8 knots)
Friday
11 Sep
18°C (64°F)
0 mm (0 in)
Mostly clear
78% · W 3 m/s (6 knots)
18°C (64°F)
0.4 mm (0.02 in)
Clear skies
78% · NW 2 m/s (4 knots)
24°C (75°F)
0 mm (0 in)
Mostly sunny
49% · NW 3 m/s (6 knots)
19°C (66°F)
0 mm (0 in)
Partly cloudy
67% · NE 2 m/s (4 knots)
Fri
11 Sep
night
18°C (64°F)
0 mm (0 in)
Mostly clear
78%
3 m/s (6 knots)
morning
18°C (64°F)
0.4 mm (0.02 in)
Clear skies
78%
2 m/s (4 knots)
afternoon
24°C (75°F)
0 mm (0 in)
Mostly sunny
49%
3 m/s (6 knots)
evening
19°C (66°F)
0 mm (0 in)
Partly cloudy
67%
2 m/s (4 knots)
Saturday
12 Sep
15°C (59°F)
0 mm (0 in)
Clear skies
97% · NE 1 m/s (2 knots)
15°C (59°F)
0.1 mm (0 in)
Cloudy
75% · NE 1 m/s (2 knots)
23°C (73°F)
0.1 mm (0 in)
Partly cloudy
58% · SW 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
Clear skies
75% · S 4 m/s (8 knots)
Sat
12 Sep
night
15°C (59°F)
0 mm (0 in)
Clear skies
97%
1 m/s (2 knots)
morning
15°C (59°F)
0.1 mm (0 in)
Cloudy
75%
1 m/s (2 knots)
afternoon
23°C (73°F)
0.1 mm (0 in)
Partly cloudy
58%
3 m/s (6 knots)
evening
21°C (70°F)
0 mm (0 in)
Clear skies
75%
4 m/s (8 knots)
Sunday
13 Sep
19°C (66°F)
0 mm (0 in)
Clear skies
94% · SW 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
Partly cloudy
71% · SW 4 m/s (8 knots)
26°C (79°F)
0 mm (0 in)
Cloudy
38% · W 5 m/s (10 knots)
21°C (70°F)
0 mm (0 in)
Cloudy
48% · NW 4 m/s (8 knots)
Sun
13 Sep
night
19°C (66°F)
0 mm (0 in)
Clear skies
94%
4 m/s (8 knots)
morning
21°C (70°F)
0 mm (0 in)
Partly cloudy
71%
4 m/s (8 knots)
afternoon
26°C (79°F)
0 mm (0 in)
Cloudy
38%
5 m/s (10 knots)
evening
21°C (70°F)
0 mm (0 in)
Cloudy
48%
4 m/s (8 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Chelmsford weather by month
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