Current weather conditions and 15 day weather forecast for Belmont, 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.
| 12 August 2026 Wednesday 32.7 ° C / 90.9°F ![]() Sunny |
Feels Like : 33.2 ° C / 91.8°F Humidity : % 29 Pressure : 1008 mb Wind Speed : 3.6 kmph / 2.2 miles from W ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 2 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 August 2026 Wednesday | Sunny |
17.5 ° C (63.5°F) |
33.4 ° C (92.1°F) |
25.2 ° C (77.3°F) |
% 55 | 2% | 6.7 | Sunrise:05:48 AM Sunset: 07:50 PM |
Moonrise:05:05 AM Moonset: 07:49 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
17.7 ° C (63.8°F) |
28.9 ° C (84.1°F) |
23.1 ° C (73.6°F) |
% 61 | 57% | 6 | Sunrise:05:49 AM Sunset: 07:49 PM |
Moonrise:06:29 AM Moonset: 08:16 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
17.2 ° C (62.9°F) |
27.4 ° C (81.4°F) |
22.1 ° C (71.7°F) |
% 47 | 2% | 3.9 | Sunrise:05:50 AM Sunset: 07:47 PM |
Moonrise:07:49 AM Moonset: 08:40 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
13.5 ° C (56.2°F) |
26.2 ° C (79.2°F) |
19.8 ° C (67.7°F) |
% 49 | 2% | 6.6 | Sunrise:05:51 AM Sunset: 07:46 PM |
Moonrise:09:07 AM Moonset: 09:03 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
14 ° C (57.3°F) |
28.1 ° C (82.6°F) |
19.5 ° C (67.1°F) |
% 70 | 65% | 7 | Sunrise:05:53 AM Sunset: 07:44 PM |
Moonrise:10:22 AM Moonset: 09:26 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
18.7 ° C (65.7°F) |
28.1 ° C (82.6°F) |
22.4 ° C (72.3°F) |
% 70 | 21% | 7 | Sunrise:05:54 AM Sunset: 07:43 PM |
Moonrise:11:36 AM Moonset: 09:52 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
15.3 ° C (59.5°F) |
28.2 ° C (82.8°F) |
21.7 ° C (71°F) |
% 54 | 3% | 7 | Sunrise:05:55 AM Sunset: 07:41 PM |
Moonrise:12:48 PM Moonset: 10:21 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
16.9 ° C (62.5°F) |
31.6 ° C (88.9°F) |
23.8 ° C (74.9°F) |
% 56 | 4% | 8 | Sunrise:05:56 AM Sunset: 07:40 PM |
Moonrise:01:58 PM Moonset: 10:55 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Partly Cloudy |
19.2 ° C (66.6°F) |
32.3 ° C (90.1°F) |
25.3 ° C (77.5°F) |
% 72 | 57% | 8 | Sunrise:05:57 AM Sunset: 07:38 PM |
Moonrise:03:04 PM Moonset: 11:37 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
14.9 ° C (58.8°F) |
26 ° C (78.9°F) |
21.5 ° C (70.8°F) |
% 54 | 57% | 7 | Sunrise:05:58 AM Sunset: 07:37 PM |
Moonrise:04:03 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
12.2 ° C (54°F) |
24.5 ° C (76.2°F) |
18.3 ° C (64.9°F) |
% 42 | 2% | 6 | Sunrise:05:59 AM Sunset: 07:35 PM |
Moonrise:04:54 PM Moonset: 12:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
14 ° C (57.2°F) |
23.1 ° C (73.5°F) |
17.5 ° C (63.5°F) |
% 74 | 65% | 5 | Sunrise:06:00 AM Sunset: 07:34 PM |
Moonrise:05:35 PM Moonset: 01:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
12.5 ° C (54.5°F) |
26.7 ° C (80.1°F) |
19.5 ° C (67.1°F) |
% 55 | 2% | 7 | Sunrise:06:01 AM Sunset: 07:32 PM |
Moonrise:06:09 PM Moonset: 02:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Sunny |
13.9 ° C (56.9°F) |
24.6 ° C (76.3°F) |
19.3 ° C (66.7°F) |
% 59 | 57% | 6 | Sunrise:06:02 AM Sunset: 07:31 PM |
Moonrise:06:37 PM Moonset: 03:27 AM Moon Phase ( Full Moon ) |
|