Bostonia

Whatcom County, California, United States

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Current Weather

17°

Overcast

Feels Like: 18°

Min: 17°

Max: 26°

The next few hours will be overcast, with today reaching 26°C and dropping to 17°C. The coming days will be cloudy

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Hourly Forecast

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Today

Daylight Hours

06:36

Sunrise

18:47

Sunset

12 hours 11 minutes of sunlight today

Moon

Waxing Crescent

11:08

Moonrise

20:44

Moonset

Daily Forecast

Today

17°
26°

Wednesday

17°
26°

Thursday

17°
28°

Friday

16°
29°

Saturday

17°
29°

Sunday

17°
28°

Monday

17°
27°

Tuesday

17°
28°

Wednesday

17°
24°

Thursday

17°
23°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

96% Very Humid
Low High

Weather in Bostonia today, September 15, 2026

Bostonia starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Cloud leads the morning, peaking close to 100% near 00:00. Sunshine has little room until later in the day.

Expect highs of 26°C and cooler readings close to 17°C. The air stays humid, with relative humidity between 55% and 97% and the peak around 00:00. Winds stay light, near 4.8 km/h by 13:00, so the day feels still more than breezy.

Afternoon conditions open up, holding cloud close to 35% near 23:00. The day finishes on a milder, brighter note. Horizontal visibility sits around 15.0 km, briefly nearer 12.2 km. Sunrise is at 06:36 and sunset at 18:47, giving 12 hours 11 minutes of sunlight today.

Taken together, settled sunshine in Bostonia on September 15, 2026 makes outdoor timing easier, with highs near 26°C.

Frequently asked questions about weather in Bostonia

How warm does it get in Bostonia?

The warmest month in Bostonia is August, with average high temperatures of 28°C. The average temperature during this period is around 23°C.

How cold does it get in Bostonia?

The coldest month in Bostonia is January, with average low temperatures of 9°C. The average temperature during this period is around 13°C.

What is the wettest time of year in Bostonia?

The wettest month in Bostonia is March, with an average of 67mm of precipitation.

What is the driest time of year in Bostonia?

The driest month in Bostonia is June, with an average of 2mm of precipitation.

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Metric (°C, km/h)