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ZIP 03855 · Alton, New Hampshire

Current conditions and the National Weather Service 7-day forecast for ZIP code 03855, Alton, New Hampshire — temperature, rain chance, wind, radar and alerts.

Saturday Aug 29 night: a low around 56°F. Sunday Aug 30: a high near 79°F and a low around 58°F. The wettest day looks like Tuesday Sep 1, near 0.32 in. Highs over the period run 68°F to 79°F.

National Weather Service forecast for ZIP 03855, Alton, New Hampshire
DayHighLowPrecip
Saturday Aug 2956°
Sunday Aug 3079°58°0.01 in
Monday Aug 3177°57°
Tuesday Sep 170°58°0.32 in
Wednesday Sep 268°60°
Thursday Sep 373°59°
Friday Sep 470°57°
Saturday Sep 571°

NOAA NWS NDFD 2.5 km, run 2026-08-30 00:00 UTC · days are local time in America/New York. The live page updates continuously.

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