Home / Local Weather & Traffic / Maine / Costigan / Weather Forecast

Costigan, ME Weather Forecast for 5-Days

Updated: Sat Mar 14th 2026 6:00 AM EDT

Ask About Weather

Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!
Costigan, ME Weather – 3-14 – Moderate Or Heavy Snow Showers
39° / 29°
Moderate Or Heavy Snow Showers
Highs will reach 39°F with lows near 29°F in Costigan, where moderate Or Heavy Snow Showers are. Rainfall predicted to have a 75% chance with an estimated 0.34in. Snow is likely with a 16% chance with an estimated 2.4in. Wind will be moderate, blowing around 14mph on average and gusts of 19.8mph at 7 AM. High humidity with average of 83% is anticipated, the maximum being 97% at 9 AM and 74% being its lowest at 7 PM. Barometric pressure is its highest of 29.95inHg at 11 PM, a lowest point of 29.53inHg at 12 PM with an avg 29.66inHg.
Costigan, ME Weather – 3-15 – Partly Cloudy
39° / 27°

Weather Tomorrow

Partly Cloudy
It will be cloudy in Costigan, with a high of 39°F and a low of 27°F. Wind will be moderate, blowing around 11mph on average and gusts of 17.9mph at 3 AM. The humidity will be on the higher side, averaging about 63%, the maximum being 87% at 11 PM and 43% being its lowest at 4 PM. Barometric pressure is its highest of 30.51inHg at 8 PM, a lowest point of 29.96inHg at 12 AM with an avg 30.36inHg.
Costigan, ME Weather – 3-16 – Heavy Rain
47° / 31°
Heavy Rain
Highs will reach 47°F with lows near 31°F in Costigan, where rain showers are. The chance of rain is 84% with an estimated 1.18in. Wind will be moderate, blowing around 18mph on average and gusts of 29.3mph at 10 PM. High humidity with average of 91% is anticipated, the maximum being 97% at 10 PM and 74% being its lowest at 11 PM. Barometric pressure is its highest of 30.48inHg at 11 PM, a lowest point of 29.86inHg at 10 PM with an avg 30.15inHg.
Costigan, ME Weather – 3-17 – Heavy Rain
57° / 28°
Heavy Rain
Costigan could see rain showers with daytime highs of 57°F and nighttime lows near 28°F. The chance of rain is 88% with an estimated 1.1in. Snow is likely with a 6% chance with an estimated 0.2in. Winds will be strong at speeds peaking at 25mph and gusts of 38.7mph at 5 AM. High humidity with average of 88% is anticipated, the maximum being 98% at 11 PM and 65% being its lowest at 9 PM. Barometric pressure is its highest of 29.85inHg at 11 PM, a lowest point of 29.45inHg at 8 AM with an avg 29.6inHg.
Costigan, ME Weather – 3-18 – Partly Cloudy
28° / 16°
Partly Cloudy
In Costigan, it will be cloudy with highs near 28°F and lows around 16°F. Snow is likely with a 13% chance. Wind will be moderate, blowing around 15mph on average and gusts of 17.2mph at 9 AM. Humidity levels should be comfortable, sitting around 44% on average, the maximum being 67% at 2 AM and 26% being its lowest at 1 PM. Barometric pressure is its highest of 30.5inHg at 11 PM, a lowest point of 29.83inHg at 12 AM with an avg 30.2inHg.
Costigan, ME Weather – 3-19 – Light Freezing Rain
35° / 23°
Light Freezing Rain
Daytime highs will reach 35°F with lows dropping to 23°F in Costigan, where periods of rain are likely. The chance of rain is 89% with an estimated 0.01in. Snow is likely with a 29% chance with an estimated 0.1in. Wind will be moderate, blowing around 16mph on average and gusts of 18.1mph at 11 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 93% at 8 PM and 42% being its lowest at 12 AM. Barometric pressure is its highest of 30.51inHg at 2 AM, a lowest point of 29.98inHg at 11 PM with an avg 30.29inHg.

Costigan weather forecast and traffic updates by locals

Write your own Costigan, ME report, forecast, or traffic update:


Will not be posted, shared or used for marketing!

Please note by clicking on "Post" you acknowledge that you have read our Privacy Policy and Terms of Service and the Costigan, ME report and/or forecast you are posting is in compliance with such terms. If you are under 18, do not submit this form. Be respectful! Inappropriate content will be removed by a moderator.