Amherst, NH Weather Tomorrow

Whether you're planning work or travel, tomorrow's Amherst weather and 5 day forecast offer precipitation potential, daytime and nighttime forecasts, temperature highs and lows in Fahrenheit and Celsius, sunrise and sunset times, cloud cover, wind chill, wind speed, and wind direction for the Amherst area and around Hillsborough county, New Hampshire.
Updated: Fri Sep 4th 2026 10:45 AM EDT
Amherst, NH Weather – 9-4 – Sunny
87° / 61°
Sunny
Amherst is set for sunshine with temperatures peaking at 87°F and dipping to 61°F. There's a very small chance of rainfall, only about 7%. Wind will be moderate, blowing around 12mph on average and gusts of 21.5mph at 10 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 73% at 9 PM and 41% being its lowest at 4 PM. Barometric pressure is its highest of 29.82inHg at 9 PM, a lowest point of 29.76inHg at 2 PM with an avg 29.78inHg.
Amherst, NH Weather – 9-5 – Scattered Showers
66° / 58°

Weather Tomorrow

Scattered Showers
Daytime highs will reach 66°F with lows dropping to 58°F in Amherst, where on and off showers are set to occur. Rainfall predicted to have a 62% chance with an estimated 0.05in. Winds will be light at 8mph and gusts of 22.6mph at 3 AM. High humidity with average of 83% is anticipated, the maximum being 92% at 9 PM and 68% being its lowest at 9 AM. Barometric pressure is its highest of 29.93inHg at 11 PM, a lowest point of 29.77inHg at 3 AM with an avg 29.84inHg.
Amherst, NH Weather – 9-6 – Overcast
71° / 55°
Overcast
In Amherst, it will be overcast with highs near 71°F and lows around 55°F. There's a moderate 40% chance of rainfall with an estimated 0.02in. Winds will be light at 9mph and gusts of 15mph at 4 AM. The humidity will be on the higher side, averaging about 66%, the maximum being 90% at 2 AM and 37% being its lowest at 3 PM. Barometric pressure is its highest of 30.08inHg at 11 PM, a lowest point of 29.94inHg at 12 AM with an avg 30inHg.
Amherst, NH Weather – 9-7 – Sunny
77° / 53°
Sunny
In Amherst, a sunny day is likely with a high near 77°F and a low around 53°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 10mph and gusts of 23.5mph at 8 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 86% at 3 AM and 28% being its lowest at 3 PM. Barometric pressure is its highest of 30.15inHg at 11 PM, a lowest point of 30.06inHg at 12 AM with an avg 30.09inHg.
Amherst, NH Weather – 9-8 – Overcast
78° / 60°
Overcast
Overcast is in the forecast for Amherst, with a high of 78°F and a low of 60°F. There's a very small chance of rainfall, only about 10%. Winds will be light at 10mph and gusts of 23.5mph at 6 AM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 74% at 7 AM and 36% being its lowest at 2 PM. Barometric pressure is its highest of 30.21inHg at 9 PM, a lowest point of 30.07inHg at 3 AM with an avg 30.15inHg.
Amherst, NH Weather – 9-9 – Overcast
81° / 64°
Overcast
Skies will be overcast in Amherst, with a high of 81°F and a low of 64°F. Rainfall predicted to have a 70% chance with an estimated 0.11in. Wind will be moderate, blowing around 14mph on average and gusts of 38.3mph at 11 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 82% at 11 PM and 52% being its lowest at 5 PM. Barometric pressure is its highest of 30.21inHg at 1 AM, a lowest point of 29.76inHg at 11 PM with an avg 30.03inHg.

Currently

Sunny 76°F
29.82 inHg.
Barometer
59%
Humidity
NW 14 mph
Wind
Sunny

5 Day Forecast Nearby

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