Grantham Weather Forecast 15 Days, Weather in Grantham Today
Current weather conditions and 15 day weather forecast for Grantham, New Hampshire, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Grantham
| 04 November 2026 Wednesday 7.9 ° C / 46.3°F  Mist |
Feels Like : 7.4 ° C / 45.3°F Humidity : % 96 Pressure : 1020 mb Wind Speed : 5 kmph / 3.1 miles from SSW  Visibility : 2 km Precipitation (rainfall) : 0 mm Cloud (%) : 36 |
15 day weather forecast for Grantham, NH, USA
Weather Forecast for next 15 Days for Grantham including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Grantham, New Hampshire state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 04 November 2026 Wednesday |  Sunny |
7.7 ° C (45.9°F) |
22.3 ° C (72.2°F) |
13.2 ° C (55.8°F) |
% 81 | 14% | 2.7 | Sunrise:06:28 AM Sunset: 04:36 PM |
Moonrise:01:01 AM Moonset: 02:11 PM Moon Phase ( Waning Crescent ) |
|
| 05 November 2026 Thursday |  Fog |
9 ° C (48.3°F) |
16.1 ° C (61°F) |
12.8 ° C (55.1°F) |
% 96 | 86% | 0.7 | Sunrise:06:29 AM Sunset: 04:34 PM |
Moonrise:02:16 AM Moonset: 02:33 PM Moon Phase ( Waning Crescent ) |
|
| 06 November 2026 Friday |  Overcast |
10.4 ° C (50.7°F) |
18.9 ° C (66°F) |
13.7 ° C (56.6°F) |
% 82 | 34% | 2.1 | Sunrise:06:30 AM Sunset: 04:33 PM |
Moonrise:03:31 AM Moonset: 02:54 PM Moon Phase ( Waning Crescent ) |
|
| 07 November 2026 Saturday |  Cloudy |
7.9 ° C (46.3°F) |
16.6 ° C (61.9°F) |
12.2 ° C (54°F) |
% 84 | 78% | 1.8 | Sunrise:06:31 AM Sunset: 04:32 PM |
Moonrise:04:46 AM Moonset: 03:18 PM Moon Phase ( New Moon ) |
|
| 08 November 2026 Sunday |  Patchy rain nearby |
3.3 ° C (37.9°F) |
11.2 ° C (52.1°F) |
7.5 ° C (45.5°F) |
% 82 | 87% | 3 | Sunrise:06:33 AM Sunset: 04:31 PM |
Moonrise:06:01 AM Moonset: 03:46 PM Moon Phase ( New Moon ) |
|
| 09 November 2026 Monday |  Partly Cloudy |
0.9 ° C (33.5°F) |
9.1 ° C (48.4°F) |
3.9 ° C (39°F) |
% 72 | 9% | 3 | Sunrise:06:34 AM Sunset: 04:30 PM |
Moonrise:07:16 AM Moonset: 04:20 PM Moon Phase ( New Moon ) |
|
| 10 November 2026 Tuesday | Patchy rain nearby |
0.9 ° C (33.6°F) |
12.4 ° C (54.3°F) |
5.7 ° C (42.3°F) |
% 78 | 25% | 4 | Sunrise:06:35 AM Sunset: 04:28 PM |
Moonrise:08:28 AM Moonset: 05:01 PM Moon Phase ( New Moon ) |
|
| 11 November 2026 Wednesday | Partly Cloudy |
-1.9 ° C (28.6°F) |
6.4 ° C (43.5°F) |
2.6 ° C (36.7°F) |
% 71 | 20% | 3 | Sunrise:06:37 AM Sunset: 04:27 PM |
Moonrise:09:32 AM Moonset: 05:50 PM Moon Phase ( Waxing Crescent ) |
|
| 12 November 2026 Thursday | Cloudy |
-2.4 ° C (27.7°F) |
9.5 ° C (49.1°F) |
3 ° C (37.4°F) |
% 67 | 11% | 3 | Sunrise:06:38 AM Sunset: 04:26 PM |
Moonrise:10:27 AM Moonset: 06:48 PM Moon Phase ( Waxing Crescent ) |
|
| 13 November 2026 Friday | Patchy rain nearby |
3.6 ° C (38.4°F) |
10 ° C (50°F) |
5.9 ° C (42.6°F) |
% 86 | 52% | 2 | Sunrise:06:39 AM Sunset: 04:25 PM |
Moonrise:11:11 AM Moonset: 07:51 PM Moon Phase ( Waxing Crescent ) |
|
| 14 November 2026 Saturday | Overcast |
2.8 ° C (37°F) |
5.7 ° C (42.3°F) |
3.8 ° C (38.8°F) |
% 82 | 25% | 3 | Sunrise:06:41 AM Sunset: 04:24 PM |
Moonrise:11:46 AM Moonset: 08:56 PM Moon Phase ( First Quarter ) |
|
| 15 November 2026 Sunday | Overcast |
1.4 ° C (34.5°F) |
6.5 ° C (43.8°F) |
3.5 ° C (38.3°F) |
% 83 | 62% | 2 | Sunrise:06:42 AM Sunset: 04:23 PM |
Moonrise:12:14 PM Moonset: 10:00 PM Moon Phase ( First Quarter ) |
|
| 16 November 2026 Monday | Overcast |
1.8 ° C (35.3°F) |
5.9 ° C (42.6°F) |
4.1 ° C (39.4°F) |
% 92 | 92% | 2 | Sunrise:06:43 AM Sunset: 04:22 PM |
Moonrise:12:37 PM Moonset: 11:04 PM Moon Phase ( First Quarter ) |
|
| 17 November 2026 Tuesday | Patchy rain nearby |
-2.5 ° C (27.5°F) |
6.8 ° C (44.2°F) |
4.2 ° C (39.6°F) |
% 92 | 77% | 2 | Sunrise:06:44 AM Sunset: 04:21 PM |
Moonrise:12:57 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
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