Casco, ME Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Casco, ME in one place.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 87. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Casco, 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 14, 2026 11:23 PM EDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for Casco, ME.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 11:23 PM EDT
- Forecast office
- GYX
- Source
- NOAA / NWS
Daily Outlook
This Week in Casco
Wednesday looks like the warmest upcoming period in Casco at 87 degrees F.
Thursday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph NW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 11:23 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
Scattered showers and thunderstorms before 9pm. Mostly clear, with a low around 62. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Sunny, with a high near 84. West wind 5 to 15 mph, with gusts as high as 30 mph.
Mostly clear, with a low around 55. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 81.
Mostly clear, with a low around 55.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80.
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Mostly sunny, with a high near 85.
A slight chance of showers and thunderstorms after 9pm. Partly cloudy, with a low around 61.
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
87°F |
5 to 15 mph
NW
|
|
Wednesday Night
Jul 15
|
Scattered Showers And Thunderstorms then Mostly Clear
|
62°F |
5 to 15 mph
W
|
|
Thursday
Jul 16
|
Sunny
|
84°F |
5 to 15 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
55°F |
5 to 15 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
81°F |
5 to 10 mph
NW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
55°F |
0 to 10 mph
W
|
|
Saturday
Jul 18
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
80°F |
0 to 10 mph
SW
|
|
Saturday Night
Jul 18
|
Showers And Thunderstorms Likely
|
58°F |
0 to 5 mph
S
|
|
Sunday
Jul 19
|
Chance Rain Showers
|
81°F |
0 to 5 mph
NW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms then Partly Cloudy
|
59°F |
0 to 5 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny
|
85°F |
0 to 10 mph
W
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
61°F |
0 to 10 mph
S
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
83°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Casco.