Chatham, MA Weather Tomorrow

Check the latest weather forecast for Chatham tomorrow and over the next 5 days with daily precipitation forecasts, changing sky conditions, daytime highs, overnight lows, Fahrenheit and Celsius temperatures, sunrise, sunset, wind chill, and local wind details for the Chatham area and around Barnstable county, Massachusetts.
Updated: Sun Oct 11th 2026 8:15 PM EDT
Chatham, MA Weather – 10-11 – Overcast
59° / 53°
Overcast
Cloud-filled skies are in the forecast for Chatham, with a high of 59°F and a low of 53°F. The chance of rain is 78% with an estimated 0.51in. Wind will be moderate, blowing around 16mph on average and gusts of 23.5mph at 11 PM. The humidity will be on the higher side, averaging about 64%, the maximum being 94% at 10 PM and 87% being its lowest at 9 PM. Barometric pressure is its highest of 30.11inHg at 9 PM, a lowest point of 30.01inHg at 11 PM with an avg 30.06inHg.
Chatham, MA Weather – 10-12 – Sunny
59° / 56°

Weather Tomorrow

Sunny
Daytime highs will reach 59°F with lows dropping to 56°F in Chatham, where it will be sunny. The chance of rain is 86% with an estimated 0.34in. Winds will be strong at speeds peaking at 21mph and gusts of 27.8mph at 3 AM. High humidity with average of 90% is anticipated, the maximum being 96% at 6 AM and 83% being its lowest at 2 PM. Barometric pressure is its highest of 29.94inHg at 12 AM, a lowest point of 29.73inHg at 8 AM with an avg 29.79inHg.
Chatham, MA Weather – 10-13 – Scattered Showers
63° / 56°
Scattered Showers
Chatham is set for scattered showers with temperatures peaking at 63°F and dipping to 56°F. Rainfall predicted to have a 68% chance with an estimated 0.04in. Wind will be moderate, blowing around 20mph on average and gusts of 35.4mph at 11 PM. High humidity with average of 86% is anticipated, the maximum being 91% at 11 PM and 82% being its lowest at 6 AM. Barometric pressure is its highest of 30.04inHg at 10 AM, a lowest point of 29.89inHg at 12 AM with an avg 29.98inHg.
Chatham, MA Weather – 10-14 – Sunny
72° / 63°
Sunny
Highs will reach 72°F with lows near 63°F in Chatham, where a sunny day is. Rainfall predicted to have a 51% chance with an estimated 0.03in. Winds will be strong at speeds peaking at 22mph and gusts of 42.5mph at 4 AM. High humidity with average of 81% is anticipated, the maximum being 93% at 2 AM and 67% being its lowest at 4 PM. Barometric pressure is its highest of 29.89inHg at 12 AM, a lowest point of 29.77inHg at 3 PM with an avg 29.82inHg.
Chatham, MA Weather – 10-15 – Sunny
62° / 53°
Sunny
Daytime highs will reach 62°F with lows dropping to 53°F in Chatham, where it will be sunny. There's a very small chance of rainfall, only about 10% with an estimated 0in. Winds will be strong at speeds peaking at 22mph and gusts of 30mph at 8 AM. The humidity will be on the higher side, averaging about 69%, the maximum being 83% at 4 AM and 56% being its lowest at 11 PM. Barometric pressure is its highest of 30.2inHg at 9 PM, a lowest point of 29.88inHg at 12 AM with an avg 30.07inHg.
Chatham, MA Weather – 10-16 – Overcast
64° / 52°
Overcast
Overcast is in the forecast for Chatham, with a high of 64°F and a low of 52°F. The chance of rain is 81% with an estimated 0.26in. Winds will be strong at speeds peaking at 27mph and gusts of 44.3mph at 2 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 98% at 5 PM and 56% being its lowest at 1 AM. Barometric pressure is its highest of 30.18inHg at 12 AM, a lowest point of 29.49inHg at 8 PM with an avg 29.83inHg.

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