Casco, ME Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Casco, ME.

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Current Conditions — Casco, ME

AUBURN/LEWISTON (KLEW)

Clear

62.6 F
Humidity:34%
Wind Speed: 4.6 mph
Barometer:30.11 in
Dewpoint:33.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 26 2026, 03:05 PM EDT
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5-Day Forecast — Casco, ME

Sunday

High 60 °F
Mostly Cloudy
Sunday
Night
Low 37 °F
Partly Cloudy
Monday

High 64 °F
Partly Sunny
Monday
Night
Low 35 °F
Partly Cloudy
Tuesday

High 60 °F
Mostly Sunny
Tuesday
Night
Low 35 °F
Mostly Cloudy
Wednesday

High 51 °F
Chance of Rain Showers
Wednesday
Night
Low 41 °F
Rain
Thursday

High 48 °F
Rain Showers Likely

Detailed Forecast — Casco, ME

Sunday
Mostly Cloudy. High near 60°F. Wind 3 to 5 mph, with gusts as high as 9 mph.
Sunday Night
Partly Cloudy. Low around 37°F. Wind 1 to 2 mph, with gusts as high as 5 mph.
Monday
Partly Sunny. High near 64°F. Wind 1 to 6 mph, with gusts as high as 12 mph.
Monday Night
Partly Cloudy. Low around 35°F. Wind 1 to 3 mph, with gusts as high as 7 mph.
Tuesday
Mostly Sunny. High near 60°F. Wind 1 to 9 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly Cloudy. Low around 35°F. Wind 2 to 3 mph, with gusts as high as 7 mph.
Wednesday
Chance of Rain Showers. High near 51°F. Wind 2 to 7 mph, with gusts as high as 14 mph.
Wednesday Night
Rain. Low around 41°F. Wind 2 to 3 mph, with gusts as high as 7 mph.
Thursday
Rain Showers Likely. High near 48°F. Wind 5 to 6 mph, with gusts as high as 12 mph.
Thursday Night
Rain. Low around 42°F. Wind 6 to 9 mph, with gusts as high as 17 mph.
Friday
Rain Showers Likely. High near 53°F. Wind 10 to 12 mph, with gusts as high as 22 mph.
Friday Night
Chance of Rain. Low around 39°F. Wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Chance of Rain Showers. High near 50°F. Wind 5 to 7 mph, with gusts as high as 14 mph.
ME Radar
Current Radar • ME
Day 1 Outlook • April 26, 2026

Observation History — Casco, ME

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
03:05 PM EDT 4.6 10.00 Clear -- 62.6 33.8 34% NA NA 30.11 1019.6
03:00 PM EDT NE 9.2 10.00 Clear -- 64.4 33.8 32% NA NA 30.11 1019.6
02:50 PM EDT 0.0 10.00 Clear -- 62.6 33.8 34% NA NA 30.11 1019.6
02:35 PM EDT NW 3.4 10.00 Clear -- 62.6 32.0 32% NA NA 30.11 1019.6
02:30 PM EDT W 5.7 10.00 Clear -- 62.6 33.8 34% NA NA 30.11 1019.6
02:20 PM EDT 5.7 10.00 Clear -- 62.6 32.0 32% NA NA 30.11 1019.6
02:05 PM EDT 4.6 10.00 Clear -- 62.6 33.8 34% NA NA 30.11 1019.6
02:00 PM EDT S 4.6 10.00 Clear -- 62.6 32.0 32% NA NA 30.11 1019.6
01:50 PM EDT 11.5 10.00 Clear -- 62.6 33.8 34% NA NA 30.11 1019.6
01:45 PM EDT SE 5.7 10.00 Clear -- 62.6 33.8 34% NA NA 30.12 1020.0
01:35 PM EDT NE 4.6 10.00 Clear -- 62.6 32.0 32% NA NA 30.12 1020.0
01:30 PM EDT 9.2 10.00 Clear -- 62.6 33.8 34% NA NA 30.12 1020.0
01:20 PM EDT 3.4 10.00 Clear -- 60.8 32.0 34% NA NA 30.12 1020.0
01:15 PM EDT 3.4 10.00 Clear -- 60.8 32.0 34% NA NA 30.12 1020.0
01:05 PM EDT 5.7 10.00 Clear -- 60.8 32.0 34% NA NA 30.12 1020.0
01:00 PM EDT 5.7 10.00 Clear -- 60.8 32.0 34% NA NA 30.12 1020.0
12:50 PM EDT 8.1 10.00 Clear -- 60.8 32.0 34% NA NA 30.12 1020.0
12:40 PM EDT 8.1 10.00 Clear -- 60.8 32.0 34% NA NA 30.13 1020.3
12:30 PM EDT 5.7 10.00 Clear -- 60.8 30.2 31% NA NA 30.13 1020.3
12:25 PM EDT 9.2 10.00 Clear -- 60.8 32.0 34% NA NA 30.13 1020.3
12:10 PM EDT 10.00 Clear -- 59.0 30.2 33% NA NA 30.13 1020.3
12:05 PM EDT 5.7 10.00 Clear -- 60.8 32.0 34% NA NA 30.13 1020.3
12:00 PM EDT 6.9 10.00 Clear -- 60.8 32.0 34% NA NA M
11:45 AM EDT 9.2 10.00 Clear -- 59.0 30.2 33% NA NA 30.14 1020.7

Regional Weather Observation

AUBURN/LEWISTON (KLEW)

Clear
62.6 F

PORTLAND (KPWM)

Mostly Clear
59.0 F

FRYEBURG (KIZG)

Clear
66.2 F

MOUNT WASHINGTON (KMWN)

Mostly Cloudy
37.4 F

SANFORD MUNI (KSFM)

Clear
60.8 F

WISCASSET (KIWI)

Clear
60.8 F
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