Wiscasset, ME Weather Forecast & Alerts

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

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Current Conditions — Wiscasset, ME

WISCASSET (KIWI)

Cloudy

42.8 F
Humidity:87%
Wind Speed:S 5.7 mph
Barometer:30.08 in
Dewpoint:39.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:39.2 F
Apr 22 2026, 04:45 PM EDT
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5-Day Forecast — Wiscasset, ME

Wednesday

High 48 °F
Chance of Rain Showers
Wednesday
Night
Low 39 °F
Rain Likely
Thursday

High 55 °F
Rain Showers Likely
Thursday
Night
Low 32 °F
Partly Cloudy
Friday

High 53 °F
Mostly Cloudy
Friday
Night
Low 32 °F
Partly Cloudy
Saturday

High 55 °F
Mostly Cloudy
Saturday
Night
Low 35 °F
Partly Cloudy
Sunday

High 57 °F
Mostly Cloudy

Detailed Forecast — Wiscasset, ME

Wednesday
Chance of Rain Showers. High near 48°F. Wind 6 to 12 mph, with gusts as high as 22 mph.
Wednesday Night
Rain Likely. Low around 39°F. Wind 2 to 6 mph, with gusts as high as 12 mph.
Thursday
Rain Showers Likely. High near 55°F. Wind 2 to 9 mph, with gusts as high as 17 mph.
Thursday Night
Partly Cloudy. Low around 32°F. Wind around 3 mph, with gusts as high as 7 mph.
Friday
Mostly Cloudy. High near 53°F. Wind 6 to 7 mph, with gusts as high as 14 mph.
Friday Night
Partly Cloudy. Low around 32°F. Wind around 2 mph, with gusts as high as 5 mph.
Saturday
Mostly Cloudy. High near 55°F. Wind 3 to 5 mph, with gusts as high as 9 mph.
Saturday Night
Partly Cloudy. Low around 35°F. Wind 1 to 2 mph, with gusts as high as 5 mph.
Sunday
Mostly Cloudy. High near 57°F. Wind 1 to 6 mph, with gusts as high as 12 mph.
Sunday Night
Mostly Cloudy. Low around 37°F. Wind 1 to 2 mph, with gusts as high as 5 mph.
Monday
Mostly Cloudy. High near 57°F. Wind 2 to 7 mph, with gusts as high as 14 mph.
Monday Night
Slight Chance of Showers. Low around 37°F. Wind around 2 mph, with gusts as high as 5 mph.
Tuesday
Slight Chance of Showers. High near 55°F. Wind 3 to 8 mph, with gusts as high as 16 mph.
ME Radar
Current Radar • ME
Day 1 Outlook • April 22, 2026

Observation History — Wiscasset, 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)
04:45 PM EDT S 5.7 10.00 Cloudy -- 42.8 39.2 87% 39.2 NA 30.08 1018.6
04:30 PM EDT S 5.7 9.00 Light Rain -- 42.8 39.2 87% 39.2 NA 30.09 1019.0
04:15 PM EDT 6.9 10.00 Light Rain -- 42.8 37.4 81% 38.5 NA 30.09 1019.0
04:00 PM EDT 6.9 10.00 Light Rain -- 44.6 37.4 76% 40.6 NA 30.10 1019.3
03:50 PM EDT 9.2 8.00 Cloudy -- 44.6 37.4 76% 39.7 NA 30.10 1019.3
03:35 PM EDT 6.9 10.00 Light Rain -- 44.6 37.4 76% 40.6 NA 30.10 1019.3
03:20 PM EDT S 8.1 10.00 Light Rain -- 44.6 37.4 76% 40.1 NA 30.11 1019.6
03:15 PM EDT 4.6 10.00 Light Rain -- 44.6 37.4 76% 42.1 NA 30.11 1019.6
03:00 PM EDT S 6.9 10.00 Light Rain -- 44.6 37.4 76% 40.6 NA 30.12 1020.0
02:35 PM EDT S 8.1 10.00 Light Rain -- 44.6 37.4 76% 40.1 NA 30.13 1020.3
02:25 PM EDT S 9.2 10.00 Light Rain -- 44.6 37.4 76% 39.7 NA 30.13 1020.3
02:15 PM EDT 8.1 10.00 Cloudy -- 44.6 37.4 76% 40.1 NA 30.14 1020.7
02:00 PM EDT S 8.1 10.00 Cloudy -- 44.6 37.4 76% 40.1 NA 30.15 1021.0
01:40 PM EDT S 6.9 8.00 Light Rain -- 44.6 37.4 76% 40.6 NA 30.15 1021.0
01:25 PM EDT S 8.1 10.00 Cloudy -- 44.6 35.6 70% 40.1 NA 30.16 1021.3
01:20 PM EDT S 8.1 10.00 Cloudy -- 44.6 35.6 70% 40.1 NA 30.16 1021.3
01:15 PM EDT 10.4 G 17.3 10.00 Cloudy -- 44.6 35.6 70% 39.2 NA 30.16 1021.3
12:50 PM EDT S 10.4 G 16.1 10.00 Cloudy -- 44.6 35.6 70% 39.2 NA 30.16 1021.3
12:45 PM EDT 8.1 10.00 Cloudy -- 44.6 35.6 70% 40.1 NA 30.16 1021.3
12:35 PM EDT S 9.2 10.00 Cloudy -- 44.6 37.4 76% 39.7 NA 30.16 1021.3
12:20 PM EDT S 11.5 G 17.3 10.00 Cloudy -- 46.4 35.6 66% 41.0 NA 30.17 1021.7
12:05 PM EDT S 11.5 G 19.6 10.00 Cloudy -- 46.4 35.6 66% 41.0 NA 30.18 1022.0
11:50 AM EDT S 9.2 10.00 Cloudy -- 46.4 35.6 66% 41.9 NA 30.18 1022.0
11:40 AM EDT S 9.2 10.00 Cloudy -- 44.6 35.6 70% 39.7 NA 30.19 1022.4

Regional Weather Observation

WISCASSET (KIWI)

Cloudy
42.8 F

AUGUSTA (KAUG)

Cloudy
39.2 F

AUBURN/LEWISTON (KLEW)

Cloudy
42.8 F

WATERVILLE (KWVL)

Light Rain
41.0 F

ROCKLAND/KNOX (KRKD)

Cloudy
41.0 F

PORTLAND (KPWM)

Cloudy
44.6 F
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