South Bristol, ME Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Bristol, ME in one place.
Sunny, with a high near 71. West wind around 10 mph.
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: Jul 17, 2026 1:26 PM EDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for South Bristol, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 1:26 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in South Bristol
Sunday looks like the warmest upcoming period in South Bristol at 77 degrees F.
Tonight is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Saturday at about 0 to 30 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 1:26 PM EDT
- Coverage
- 7 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
Partly cloudy, with a low around 59. West wind 0 to 10 mph.
Areas of smoke between 10am and 5pm, then areas of smoke and isolated rain showers. Partly sunny, with a high near 72. South wind 0 to 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Areas of smoke and scattered rain showers before 7pm, then rain showers likely and areas of smoke between 7pm and 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 15 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.
Sunny, with a high near 77. West wind 15 to 20 mph.
Mostly clear, with a low around 59.
Sunny, with a high near 74.
Partly cloudy, with a low around 60.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 69.
A chance of rain showers before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 80%.
Rain showers likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Sunny
|
71°F |
10 mph
W
|
|
Tonight
Jul 17
|
Partly Cloudy
|
59°F |
0 to 10 mph
W
|
|
Saturday
Jul 18
|
Areas Of Smoke
|
72°F |
0 to 30 mph
S
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms
|
63°F |
15 to 30 mph
SW
|
|
Sunday
Jul 19
|
Sunny
|
77°F |
15 to 20 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
59°F |
5 to 15 mph
W
|
|
Monday
Jul 20
|
Sunny
|
74°F |
5 to 15 mph
W
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
60°F |
10 mph
SW
|
|
Tuesday
Jul 21
|
Partly Sunny then Slight Chance Rain Showers
|
69°F |
10 to 15 mph
S
|
|
Tuesday Night
Jul 21
|
Showers And Thunderstorms
|
62°F |
15 to 20 mph
S
|
|
Wednesday
Jul 22
|
Rain Showers Likely
|
72°F |
15 mph
S
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms then Partly Cloudy
|
62°F |
5 to 10 mph
W
|
|
Thursday
Jul 23
|
Mostly Sunny
|
72°F |
5 to 10 mph
W
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
61°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Bristol.
