Newmarket, NH Weather Forecast for 5-Days

Updated: Thu Feb 12th 2026 4:30 AM EST

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Newmarket, NH Weather – 2-12 – Sunny
37° / 16°
Sunny
In Newmarket, bright and sunny conditions with highs near 37°F and lows around 16°F. Winds will be light at 10mph and gusts of 16.3mph at 7 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 72% at 6 AM and 60% being its lowest at 6 PM. Barometric pressure is its highest of 29.96inHg at 11 PM, a lowest point of 29.64inHg at 5 AM with an avg 29.81inHg.
Newmarket, NH Weather – 2-13 – Sunny
37° / 14°

Weather Tomorrow

Sunny
It will be sunny in Newmarket, with a high of 37°F and a low of 14°F. Winds will be light at 9mph and gusts of 15mph at 8 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 89% at 11 PM and 55% being its lowest at 5 PM. Barometric pressure is its highest of 30.01inHg at 8 AM, a lowest point of 29.9inHg at 10 PM with an avg 29.96inHg.
Newmarket, NH Weather – 2-14 – Overcast
43° / 24°
Overcast
Newmarket could see overcast with daytime highs of 43°F and nighttime lows near 24°F. Winds will be light at 10mph and gusts of 17.8mph at 11 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 85% at 8 AM and 58% being its lowest at 2 PM. Barometric pressure is its highest of 30.08inHg at 10 PM, a lowest point of 29.77inHg at 8 AM with an avg 29.93inHg.
Newmarket, NH Weather – 2-15 – Sunny
33° / 18°
Sunny
Bright and sunny conditions in Newmarket, with a high of 33°F and a low of 18°F. Wind will be moderate, blowing around 13mph on average and gusts of 18.7mph at 5 AM. The humidity will be on the higher side, averaging about 73%, the maximum being 92% at 10 PM and 61% being its lowest at 11 AM. Barometric pressure is its highest of 30.28inHg at 10 PM, a lowest point of 29.95inHg at 12 AM with an avg 30.15inHg.
Newmarket, NH Weather – 2-16 – Cloudy
37° / 20°
Cloudy
Daytime highs will reach 37°F with lows dropping to 20°F in Newmarket, where it will be cloudy. Winds will be light at 8mph and gusts of 8.9mph at 7 PM. High humidity with average of 84% is anticipated, the maximum being 96% at 10 PM and 71% being its lowest at 12 PM. Barometric pressure is its highest of 30.3inHg at 10 PM, a lowest point of 30.16inHg at 3 AM with an avg 30.24inHg.
Newmarket, NH Weather – 2-17 – Sunny
40° / 24°
Sunny
Daytime highs will reach 40°F with lows dropping to 24°F in Newmarket, where bright and sunny conditions. Winds will be light at 6mph and gusts of 11.3mph at 10 PM. High humidity with average of 88% is anticipated, the maximum being 96% at 4 AM and 70% being its lowest at 1 PM. Barometric pressure is its highest of 30.43inHg at 10 AM, a lowest point of 30.29inHg at 12 AM with an avg 30.37inHg.

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