Current weather conditions and 15 day weather forecast for Londonderry, 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.
| 21 August 2026 Friday 24 ° C / 75.2°F ![]() Patchy rain nearby |
Feels Like : 22.5 ° C / 72.5°F Humidity : % 45 Pressure : 1018 mb Wind Speed : 9.7 kmph / 6 miles from NW ![]() Visibility : 9 km Precipitation (rainfall) : 0.08 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 August 2026 Thursday | Sunny |
15.2 ° C (59.4°F) |
32.3 ° C (90.1°F) |
23.5 ° C (74.2°F) |
% 55 | 36% | 7.2 | Sunrise:05:57 AM Sunset: 07:40 PM |
Moonrise:03:07 PM Moonset: 11:35 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
14.2 ° C (57.5°F) |
26.5 ° C (79.7°F) |
20.2 ° C (68.3°F) |
% 61 | 57% | 7.4 | Sunrise:05:58 AM Sunset: 07:38 PM |
Moonrise:04:06 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Overcast |
12.9 ° C (55.1°F) |
23.8 ° C (74.9°F) |
17.3 ° C (63.1°F) |
% 69 | 15% | 1.9 | Sunrise:05:59 AM Sunset: 07:37 PM |
Moonrise:04:57 PM Moonset: 12:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Mist |
15.9 ° C (60.6°F) |
23 ° C (73.4°F) |
18.3 ° C (65°F) |
% 91 | 89% | 6.4 | Sunrise:06:00 AM Sunset: 07:35 PM |
Moonrise:05:38 PM Moonset: 01:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
13.8 ° C (56.8°F) |
23.5 ° C (74.3°F) |
18.6 ° C (65.4°F) |
% 70 | 17% | 6 | Sunrise:06:01 AM Sunset: 07:34 PM |
Moonrise:06:12 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Sunny |
10.5 ° C (51°F) |
24.2 ° C (75.6°F) |
17 ° C (62.6°F) |
% 62 | 4% | 6 | Sunrise:06:02 AM Sunset: 07:32 PM |
Moonrise:06:39 PM Moonset: 03:27 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Sunny |
12 ° C (53.6°F) |
27.1 ° C (80.8°F) |
19.5 ° C (67.1°F) |
% 57 | 4% | 7 | Sunrise:06:03 AM Sunset: 07:30 PM |
Moonrise:07:02 PM Moonset: 04:31 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Overcast |
16.2 ° C (61.2°F) |
24.5 ° C (76.1°F) |
19 ° C (66.2°F) |
% 67 | 36% | 5 | Sunrise:06:04 AM Sunset: 07:29 PM |
Moonrise:07:22 PM Moonset: 05:35 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Overcast |
14.3 ° C (57.7°F) |
27 ° C (80.7°F) |
19.7 ° C (67.5°F) |
% 69 | 10% | 7 | Sunrise:06:05 AM Sunset: 07:27 PM |
Moonrise:07:40 PM Moonset: 06:38 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Patchy rain nearby |
16.4 ° C (61.5°F) |
26.1 ° C (78.9°F) |
19.6 ° C (67.3°F) |
% 78 | 55% | 7 | Sunrise:06:07 AM Sunset: 07:25 PM |
Moonrise:07:58 PM Moonset: 07:40 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday | Overcast |
15.1 ° C (59.2°F) |
28.8 ° C (83.8°F) |
21.5 ° C (70.7°F) |
% 68 | 8% | 7 | Sunrise:06:08 AM Sunset: 07:24 PM |
Moonrise:08:17 PM Moonset: 08:44 AM Moon Phase ( Waning Gibbous ) |
|
| 31 August 2026 Monday | Overcast |
17.6 ° C (63.6°F) |
24.4 ° C (75.9°F) |
20.5 ° C (68.9°F) |
% 84 | 76% | 5 | Sunrise:06:09 AM Sunset: 07:22 PM |
Moonrise:08:37 PM Moonset: 09:49 AM Moon Phase ( Waning Gibbous ) |
|
| 01 September 2026 Tuesday | Patchy rain nearby |
16.6 ° C (62°F) |
24.3 ° C (75.7°F) |
19.9 ° C (67.8°F) |
% 89 | 89% | 5 | Sunrise:06:10 AM Sunset: 07:20 PM |
Moonrise:09:01 PM Moonset: 10:57 AM Moon Phase ( Waning Gibbous ) |
|
| 02 September 2026 Wednesday | Mist |
11.5 ° C (52.8°F) |
17.8 ° C (64°F) |
15.5 ° C (60°F) |
% 89 | 80% | 4 | Sunrise:06:11 AM Sunset: 07:19 PM |
Moonrise:09:31 PM Moonset: 12:07 PM Moon Phase ( Last Quarter ) |
|