South Bristol, ME Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for South Bristol, ME in one place.
Mostly cloudy, with a high near 47.
Local Weather Overview
This forecast page for South Bristol, 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: Apr 15, 2026 11:42 PM EDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for South Bristol, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 15, 2026 11:42 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Bristol
Wednesday looks like the warmest upcoming period in South Bristol at 49 degrees F.
Monday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 11:42 PM EDT
- Coverage
- 5 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
A chance of rain showers after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Rain showers likely. Cloudy, with a high near 47. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
A chance of rain showers before 8am, then a slight chance of rain and snow showers. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Partly cloudy, with a low around 32.
Sunny, with a high near 44.
A chance of rain showers after 10pm. Partly cloudy, with a low around 40. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Mostly Cloudy
|
47°F |
10 mph
E
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
42°F |
5 to 10 mph
SE
|
|
Sunday
Apr 19
|
Rain Showers Likely
|
47°F |
10 to 15 mph
SW
|
|
Sunday Night
Apr 19
|
Rain Showers Likely
|
37°F |
15 mph
W
|
|
Monday
Apr 20
|
Slight Chance Rain And Snow Showers
|
43°F |
15 mph
W
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
32°F |
10 to 15 mph
NW
|
|
Tuesday
Apr 21
|
Sunny
|
44°F |
10 to 15 mph
W
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
40°F |
10 to 15 mph
SW
|
|
Wednesday
Apr 22
|
Chance Rain Showers
|
49°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Bristol.
