Deep River, CT Weather Forecast for 5-Days

Updated: Wed May 20th 2026 5:45 AM EDT

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Deep River, CT Weather – 5-20 – Scattered Showers
78° / 60°
Scattered Showers
Scattered showers are in the forecast for Deep River, with a high of 78°F and a low of 60°F. The chance of rain is 85% with an estimated 0.15in. Wind will be moderate, blowing around 13mph on average and gusts of 27.2mph at 12 PM. The humidity will be on the higher side, averaging about 78%, the maximum being 93% at 6 AM and 54% being its lowest at 11 PM. Barometric pressure is its highest of 30.06inHg at 11 PM, a lowest point of 29.86inHg at 3 PM with an avg 29.94inHg.
Deep River, CT Weather – 5-21 – Partly Cloudy
63° / 52°

Weather Tomorrow

Partly Cloudy
Deep River may see overcast conditions, with daytime highs of 63°F and overnight lows near 52°F. Winds will be light at 10mph and gusts of 15.5mph at 3 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 81% at 11 PM and 44% being its lowest at 1 PM. Barometric pressure is its highest of 30.29inHg at 10 PM, a lowest point of 30.08inHg at 12 AM with an avg 30.2inHg.
Deep River, CT Weather – 5-22 – Sunny
61° / 46°
Sunny
Deep River could see a sunny day with daytime highs of 61°F and nighttime lows near 46°F. Wind will be moderate, blowing around 11mph on average and gusts of 15.5mph at 6 AM. The humidity will be on the higher side, averaging about 65%, the maximum being 89% at 3 AM and 41% being its lowest at 10 AM. Barometric pressure is its highest of 30.38inHg at 8 AM, a lowest point of 30.3inHg at 12 AM with an avg 30.33inHg.
Deep River, CT Weather – 5-23 – Scattered Showers
56° / 51°
Scattered Showers
Deep River could see scattered showers with daytime highs of 56°F and nighttime lows near 51°F. The chance of rain is 81% with an estimated 0.02in. Winds will be light at 8mph and gusts of 9.6mph at 12 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 88% at 5 AM and 73% being its lowest at 5 PM. Barometric pressure is its highest of 30.44inHg at 11 PM, a lowest point of 30.29inHg at 2 AM with an avg 30.37inHg.
Deep River, CT Weather – 5-24 – Partly Cloudy
57° / 50°
Partly Cloudy
Deep River could see overcast conditions with daytime highs of 57°F and nighttime lows near 50°F. Wind will be moderate, blowing around 14mph on average and gusts of 17.7mph at 10 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 84% at 2 AM and 51% being its lowest at 4 PM. Barometric pressure is its highest of 30.51inHg at 11 AM, a lowest point of 30.43inHg at 2 AM with an avg 30.48inHg.
Deep River, CT Weather – 5-25 – Scattered Showers
60° / 49°
Scattered Showers
Showers likely at times in Deep River, with a high of 60°F and a low of 49°F. The chance of rain is 88% with an estimated 0.02in. Wind will be moderate, blowing around 14mph on average and gusts of 17.2mph at 12 AM. The humidity will be on the higher side, averaging about 79%, the maximum being 95% at 11 PM and 71% being its lowest at 12 AM. Barometric pressure is its highest of 30.48inHg at 12 AM, a lowest point of 30.32inHg at 11 PM with an avg 30.41inHg.

Currently

Clear 60°F
29.95 inHg.
Barometer
94%
Humidity
SW 11.9 mph
Wind
Clear

5 Day Forecast Nearby

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