| National Weather Service Forecast for:
Londonderry NH Issued by: National Weather Service Gray/Portland, ME |
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| Updated: 6:01 pm EST Dec 17, 2025 | ||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 22. West wind around 5 mph becoming calm after midnight. |
| Thursday |
Sunny, with a high near 43. Calm wind becoming south around 5 mph in the afternoon. |
| Thursday Night |
Rain, mainly after 11pm. Temperature rising to around 47 by 5am. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible. |
| Friday |
Rain, mainly before 5pm. High near 56. South wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. |
| Friday Night |
A 30 percent chance of rain before 7pm. Partly cloudy, with a low around 23. West wind 10 to 15 mph, with gusts as high as 30 mph. |
| Saturday |
Mostly sunny, with a high near 35. |
| Saturday Night |
Mostly cloudy, with a low around 27. |
| Sunday |
Partly sunny, with a high near 43. |
| Sunday Night |
Partly cloudy, with a low around 18. |
| Monday |
Sunny, with a high near 27. |
| Monday Night |
Partly cloudy, with a low around 16. |
| Tuesday |
A chance of rain and snow. Partly sunny, with a high near 34. Chance of precipitation is 40%. |
| Tuesday Night |
A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 30%. |
| Wednesday |
Mostly sunny, with a high near 34. |
Forecast from NOAA-NWS for Londonderry NH.
