Lemon Grove

Whatcom County, California, United States

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Current Weather

23°

Mostly Clear

Feels Like: 25°

Min: 18°

Max: 24°

The next few hours will be overcast, with today reaching 24°C and dropping to 19°C. The coming days will be mostly clear throughout the day.

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Hourly Forecast

23° 22° 21° 20° 20° 20° 20° 20° 20° 19° 19° 19° 19° 19° 19° 19° 19° 27° 27° 28° 28° 28° 27° 26°
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1am
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Today
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Daylight Hours

06:36

Sunrise

18:48

Sunset

12 hours 11 minutes of sunlight today

Moon

Waxing Crescent

11:09

Moonrise

20:45

Moonset

Daily Forecast

Today

18°
24°

Wednesday

19°
28°

Thursday

21°
28°

Friday

21°
29°

Saturday

23°
28°

Sunday

23°
28°

Monday

23°
28°

Tuesday

23°
28°

Wednesday

19°
27°

Thursday

18°
25°

Air Quality Data Available

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UV Index

Wear sunscreen
4 Moderate
Low Extreme

Humidity

68% Comfortable
Low High

Weather in Lemon Grove today, September 15, 2026

Lemon Grove stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.

The day peaks near 24°C and cools toward 18°C. Expect humidity between 67% and 83%, most humid near 21:00. A lighter breeze peaks around 17:00 near 4.3 km/h.

Through the afternoon cloud remains the main feature, with cover near 100% around 21:00. Bright spells should stay limited even as the day wears on. Expect visibility around 16.1 km. Expect sunrise at 06:36, sunset at 18:48, and 12 hours 11 minutes of sunlight today overall.

Overall, Lemon Grove on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 24°C.

Frequently asked questions about weather in Lemon Grove

How warm does it get in Lemon Grove?

The warmest month in Lemon Grove 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 Lemon Grove?

The coldest month in Lemon Grove 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 Lemon Grove?

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

What is the driest time of year in Lemon Grove?

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

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