Current weather conditions and 15 day weather forecast for Westford, Massachusetts, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 14 May 2026 Thursday 11.7 ° C / 53.1°F ![]() Overcast |
Feels Like : 10.7 ° C / 51.3°F Humidity : % 86 Pressure : 1010 mb Wind Speed : 9.7 kmph / 6 miles from SSE ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 May 2026 Thursday | Heavy rain |
9.8 ° C (49.6°F) |
14.9 ° C (58.8°F) |
12 ° C (53.6°F) |
% 93 | 92% | 3.9 | Sunrise:05:25 AM Sunset: 08:00 PM |
Moonrise:03:43 AM Moonset: 05:43 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
8.4 ° C (47.1°F) |
9.2 ° C (48.6°F) |
9.2 ° C (48.5°F) |
% 97 | 87% | 0.2 | Sunrise:05:24 AM Sunset: 08:01 PM |
Moonrise:04:09 AM Moonset: 07:04 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
8.1 ° C (46.6°F) |
23.8 ° C (74.8°F) |
16 ° C (60.9°F) |
% 70 | 0% | 5 | Sunrise:05:23 AM Sunset: 08:02 PM |
Moonrise:04:43 AM Moonset: 08:27 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
13.5 ° C (56.3°F) |
27.3 ° C (81.1°F) |
19.9 ° C (67.8°F) |
% 73 | 0% | 5 | Sunrise:05:22 AM Sunset: 08:03 PM |
Moonrise:05:26 AM Moonset: 09:48 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
11 ° C (51.9°F) |
22.6 ° C (72.7°F) |
15.9 ° C (60.6°F) |
% 64 | 0% | 5 | Sunrise:05:21 AM Sunset: 08:04 PM |
Moonrise:06:21 AM Moonset: 10:57 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
10.8 ° C (51.5°F) |
29.2 ° C (84.6°F) |
19.9 ° C (67.9°F) |
% 64 | 0% | 5 | Sunrise:05:20 AM Sunset: 08:05 PM |
Moonrise:07:31 AM Moonset: 11:53 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
14.5 ° C (58.2°F) |
29.3 ° C (84.8°F) |
21.3 ° C (70.4°F) |
% 67 | 81% | 5 | Sunrise:05:19 AM Sunset: 08:06 PM |
Moonrise:08:47 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
10.3 ° C (50.5°F) |
22.5 ° C (72.4°F) |
15.6 ° C (60.1°F) |
% 47 | 0% | 5 | Sunrise:05:18 AM Sunset: 08:07 PM |
Moonrise:10:06 AM Moonset: 12:35 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
10.9 ° C (51.6°F) |
21.7 ° C (71.1°F) |
16.1 ° C (61°F) |
% 53 | 0% | 5 | Sunrise:05:17 AM Sunset: 08:08 PM |
Moonrise:11:23 AM Moonset: 01:08 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
7.2 ° C (44.9°F) |
22.6 ° C (72.6°F) |
15.2 ° C (59.3°F) |
% 51 | 0% | 5 | Sunrise:05:17 AM Sunset: 08:09 PM |
Moonrise:12:34 PM Moonset: 01:34 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
11.1 ° C (52°F) |
24 ° C (75.1°F) |
15.9 ° C (60.6°F) |
% 80 | 80% | 4 | Sunrise:05:16 AM Sunset: 08:10 PM |
Moonrise:01:43 PM Moonset: 01:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
9.2 ° C (48.5°F) |
17.6 ° C (63.8°F) |
11.9 ° C (53.5°F) |
% 81 | 74% | 3 | Sunrise:05:15 AM Sunset: 08:11 PM |
Moonrise:02:48 PM Moonset: 02:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
11.6 ° C (52.9°F) |
25.2 ° C (77.4°F) |
18.5 ° C (65.3°F) |
% 84 | 84% | 4 | Sunrise:05:14 AM Sunset: 08:12 PM |
Moonrise:03:53 PM Moonset: 02:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Patchy rain nearby |
13 ° C (55.5°F) |
18.6 ° C (65.4°F) |
17 ° C (62.7°F) |
% 88 | 88% | 4 | Sunrise:05:14 AM Sunset: 08:13 PM |
Moonrise:04:58 PM Moonset: 02:54 AM Moon Phase ( Waxing Gibbous ) |
|