See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
15°
Clear
Feels Like: 17°
Min: 12°
Max: 21°
The next few hours will be clear, with tomorrow reaching 20°C and dropping to 16°C. The coming days will be partly cloudy and breezy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:26
Sunrise
18:46
Sunset
Moon
Waxing Crescent
10:17
Moonrise
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
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UV Index
Humidity
Weather in Westbrook tomorrow, September 15, 2026
Conditions in Westbrook on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. Morning skies stay relatively clear, holding cloud close to 8% near 09:00. The early part of the day favours being outside.
The day peaks near 20°C and cools toward 9°C. Moisture in the air spans 42%-88%, with the highest values around 15:00. A lighter breeze peaks around 19:00 near 9.5 km/h.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Visibility stays near 16.1 km. Daylight runs from 06:27 to 18:44, lasting 12 hours 16 minutes of sunlight today.
The practical takeaway for Westbrook is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 20°C.
Frequently asked questions about weather in Westbrook
How warm does it get in Westbrook?
The warmest month in Westbrook is July, with average high temperatures of 23°C. The average temperature during this period is around 20°C.
How cold does it get in Westbrook?
The coldest month in Westbrook is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Westbrook?
The wettest month in Westbrook is December, with an average of 147mm of precipitation.
What is the driest time of year in Westbrook?
The driest month in Westbrook is September, with an average of 76mm of precipitation.
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