Chatham Weather Today — Massachusetts, United States
Current temperature, rain chance, humidity, wind and air quality in Chatham, plus an hourly and 3-day forecast. Updated through the day.
10:56
Fri, 18 Sep 2026
📍 Massachusetts, United States
Chatham??
24
°C
Patchy rain nearby
Feels 26°C · 75°F
💧 81% Humidity
💨 → 10.4 km/h ENE
👁 9 km Visibility
🌧 0.19 mm Precip
☁ 88% Cloud
☀️ UV Moderate
🌿 AQI Good
☀️ UV Index
2.9
Moderate
🔵 Pressure
1021
hPa · 30.16 in
💨 Wind
10.4
km/h · Gust 11.6 km/h
→ ENE
💧 Humidity
81%
Dew point 20.3°C
👁 Visibility
9
km · 5 miles
🌡 Heat Index
25.7°
Wind chill 23.7°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:42 AM
🌇
Sunset
07:03 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Patchy rain nearby
29°
/
19°
💧85%
🌧5.69mm
💨19
☀️UV 6.8
Saturday
19 Sep 2026
Overcast
30°
/
22°
💧73%
🌧0.63mm
💨16
☀️UV 6.1
Sunday
20 Sep 2026
Overcast
31°
/
19°
💧66%
🌧7.5mm
💨22
☀️UV 6.6
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