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Town of Grantham, NHGrantham, NH 7-Day Weather Forecast
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Grantham Weather Forecast
Grantham, NH Weather Forecast Date: 240 AM EDT Tue Oct 06 2026
Weather forecast for Grantham, NH
Today Hi: 51°FHi: 11°C Lo: 31°F Lo: -1°C |
Today... Areas of frost this morning. Mostly sunny. Highs in the lower 50s. Northwest winds around 10 mph with gusts up to 30 mph. |
Wed Hi: 61°FHi: 16°C Lo: 49°F Lo: 9°C |
Wednesday... Widespread frost with patchy fog in the morning. Partly sunny. Highs in the lower 60s. Light and variable winds, becoming south around 10 mph in the afternoon. |
| Thu Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Thursday... Mostly sunny. Highs in the mid 60s. Southwest winds around 10 mph. |
| Fri Hi: 59°FHi: 15°C Lo: 41°F Lo: 5°C |
Friday... Mostly sunny. Highs in the upper 50s. |
| Sat Hi: 59°FHi: 15°C Lo: 41°F Lo: 5°C |
Saturday... Mostly sunny. Highs in the upper 50s. |
Sun Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Sunday... Partly sunny. Highs in the mid 60s. |
| Columbus Day Hi: 65°FHi: 18°C |
Columbus Day... Partly sunny. Highs in the mid 60s. |
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