Local weather forecast

Weather in Chatham, MA

Updated 2026-09-26 11:00 local time · ZIP codes 02633

Light rain shower
Now58°F

Light rain shower

High / Low61° / 57°
Rain chance93%
Wind29 mph
Weather alerts

Active alerts

1
Storm Warning issued September 26 at 1:58AM EDT until September 26 at 8:00PM EDT by NWS Boston/Norton MA

* WHAT...Northeast winds 25 to 35 kt with gusts up to 55 kt and seas 5 to 8 feet. * WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.

Safety instructions

Mariners should remain in port, alter course, and/or secure the vessel for severe conditions.

Hourly

Next hours

NowLight rain shower58°60% rain
12 PMLight rain shower58°50% rain
1 PMLight rain shower59°70% rain
2 PMLight rain shower59°65% rain
3 PMLight rain shower59°83% rain
4 PMModerate or heavy rain shower60°89% rain
5 PMLight rain shower60°82% rain
6 PMLight rain shower60°83% rain
7 PMModerate or heavy rain shower61°86% rain
8 PMLight rain shower61°85% rain
9 PMLight rain shower61°86% rain
10 PMModerate or heavy rain shower61°88% rain
Forecast

3-day weather forecast

Today2026-09-26
Light rain shower
61° 57°Light rain shower
Rain 93%Gust 35 mph
Tomorrow2026-09-27
Light rain shower
66° 61°Light rain shower
Rain 93%Gust 29 mph
Monday2026-09-28
Patchy rain nearby
67° 62°Patchy rain nearby
Rain 66%Gust 14 mph
Conditions

Weather details

Feels like44°F
Humidity94%
Pressure29.83 inHg
Visibility6 mi
Wind29 mph NE
Wind gusts43 mph
Precipitation0.02 in
UV index1
Daylight

Sunrise, sunset and moon

Sunrise06:31 AM
Sunset06:30 PM
Moonrise06:18 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour10 AM · 65°F
Coolest hour11 AM · 58°F
Highest rain chance4 PM · 89%
Strongest gusts11 AM · 43 mph
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 89% over the next 12 hours.

A jacket or sweater is a good idea

It feels like 44°F with winds near 29 mph.

Best window: 12 PM

58°F, 50% rain chance and 29 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 43 mph.

Running conditions are less comfortable

Current temperature is 58°F, wind 29 mph, rain chance up to 89%.

Low UV protection needs

UV index is 1.

Local weather characteristics in Chatham

Massachusetts has four seasons with humid summers and cold winters. Coastal areas can be moderated by the Atlantic but are also exposed to nor'easters and strong coastal winds.

Chatham is part of the Northeast weather region. The forecast point is near 41.68°N latitude and 69.96°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Chatham weather today

Light rain shower and 58°F in Chatham, MA. Today's high is 61°F with a 93% rain chance. Winds are around 29 mph with gusts near 43 mph. Relative humidity is 94%, pressure is 29.83 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Chatham

Sunrise is at 06:31 AM and sunset is at 06:30 PM. Tomorrow's forecast calls for Light rain shower with a high near 66°F and a low near 61°F. The maximum rain chance is 93%.

Nearby

Weather near Chatham

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