South Thomaston, ME Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Thomaston, ME in one place.
Sunny, with a high near 55. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for South Thomaston, ME is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 14, 2026 12:05 AM EDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for South Thomaston, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 12:05 AM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Thomaston
Friday looks like the warmest upcoming period in South Thomaston at 57 degrees F.
Saturday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Saturday at about 25 to 30 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 12:05 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- GYX
- Radar station
- KGYX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 44. Northeast wind around 5 mph.
Rain showers after 8am. Cloudy, with a high near 57. Chance of precipitation is 100%.
Rain showers. Mostly cloudy, with a low around 41. Chance of precipitation is 90%.
A slight chance of rain showers before 9am. Mostly sunny, with a high near 47.
Mostly clear, with a low around 35.
Sunny, with a high near 50.
Mostly clear, with a low around 41.
Mostly sunny, with a high near 55.
Mostly cloudy, with a low around 47.
Mostly sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Sunny
|
55°F |
5 to 15 mph
NW
|
|
Thursday Night
Oct 15
|
Mostly Cloudy
|
44°F |
5 mph
NE
|
|
Friday
Oct 16
|
Rain Showers
|
57°F |
5 to 20 mph
SE
|
|
Friday Night
Oct 16
|
Rain Showers
|
41°F |
15 to 25 mph
SW
|
|
Saturday
Oct 17
|
Slight Chance Rain Showers then Mostly Sunny
|
47°F |
25 to 30 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
35°F |
15 to 25 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
50°F |
10 to 15 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
41°F |
5 to 10 mph
W
|
|
Monday
Oct 19
|
Mostly Sunny
|
55°F |
10 to 15 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
47°F |
5 to 15 mph
SW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
57°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Thomaston.