Local weather forecast

Weather in South Thomaston, ME

Updated 2026-09-26 10:00 local time · ZIP codes 04858

Patchy rain nearby
Now57°F

Patchy rain nearby

High / Low60° / 55°
Rain chance88%
Wind21 mph
Weather alerts

Active alerts

1
Gale Warning issued September 26 at 2:22AM EDT until September 27 at 8:00PM EDT by NWS Gray ME

* WHAT...Northeast winds 20 to 30 kt with gusts up to 40 kt and seas 7 to 12 ft expected. * WHERE...Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM and Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM. * WHEN...From 11 AM this morning to 8 PM EDT Sunday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Safety instructions

Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.

Hourly

Next hours

NowPatchy rain nearby57°24% rain
11 AMPatchy rain nearby58°22% rain
12 PMOvercast59°18% rain
1 PMLight drizzle60°34% rain
2 PMPatchy rain nearby58°26% rain
3 PMLight drizzle57°50% rain
4 PMLight drizzle58°45% rain
5 PMLight rain shower59°35% rain
6 PMLight rain shower59°53% rain
7 PMLight rain shower59°60% rain
8 PMLight rain shower57°60% rain
9 PMModerate rain56°81% rain
Forecast

3-day weather forecast

Today2026-09-26
Overcast
60° 55°Overcast
Rain 88%Gust 32 mph
Tomorrow2026-09-27
Light rain shower
57° 56°Light rain shower
Rain 90%Gust 34 mph
Monday2026-09-28
Light rain shower
56° 55°Light rain shower
Rain 92%Gust 31 mph
Conditions

Weather details

Feels like46°F
Humidity78%
Pressure30.05 inHg
Visibility6 mi
Wind21 mph NE
Wind gusts32 mph
Precipitation0.00 in
UV index1
Daylight

Sunrise, sunset and moon

Sunrise06:28 AM
Sunset06:27 PM
Moonrise06:13 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour1 PM · 60°F
Coolest hour10 PM · 55°F
Highest rain chance10 PM · 88%
Strongest gusts12 AM · 47 mph
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 81% over the next 12 hours.

A jacket or sweater is a good idea

It feels like 46°F with winds near 21 mph.

Best window: 12 PM

59°F, 18% rain chance and 20 mph wind.

Use extra caution while driving

Visibility is around 6 mi; gusts may reach 44 mph.

Running conditions are less comfortable

Current temperature is 57°F, wind 21 mph, rain chance up to 81%.

Low UV protection needs

UV index is 1.

Local weather characteristics in South Thomaston

Maine has cold winters, mild summers and strong coastal influence in the east. Snow, nor'easters and rapid temperature changes are common in the colder season.

South Thomaston is part of the Northeast weather region. The forecast point is near 44.05°N latitude and 69.13°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.

South Thomaston weather today

Patchy rain nearby and 57°F in South Thomaston, ME. Today's high is 60°F with a 88% rain chance. Winds are around 21 mph with gusts near 32 mph. Relative humidity is 78%, pressure is 30.05 inHg, and visibility is about 6 miles.

Tonight and tomorrow in South Thomaston

Sunrise is at 06:28 AM and sunset is at 06:27 PM. Tomorrow's forecast calls for Light rain shower with a high near 57°F and a low near 56°F. The maximum rain chance is 90%.

Nearby

Weather near South Thomaston

Maine

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