Monrovia

Sweetwater County, California, United States

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Current Weather

26°

Clear

Feels Like: 22°

Min: 19°

Max: 29°

The next few hours will be overcast, with today reaching 29°C and dropping to 18°C. The coming days will be clear

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Hourly Forecast

27° 25° 23° 22° 21° 20° 20° 19° 19° 19° 19° 18° 18° 18° 18° 20° 21° 28° 29° 30° 29° 29° 28° 26°
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Today
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Daylight Hours

06:40

Sunrise

18:52

Sunset

12 hours 12 minutes of sunlight today

Moon

Waxing Crescent

11:16

Moonrise

20:46

Moonset

Daily Forecast

Tuesday

19°
29°

Today

18°
30°

Thursday

18°
31°

Friday

20°
33°

Saturday

21°
30°

Sunday

20°
31°

Monday

22°
32°

Tuesday

22°
30°

Wednesday

18°
29°

Thursday

17°
33°

Air Quality Data Available

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UV Index

Wear sunscreen
3 Moderate
Low Extreme

Humidity

52% Comfortable
Low High

Weather in Monrovia today, September 15, 2026

Monrovia looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward.

Expect highs of 29°C and cooler readings close to 19°C. Moisture in the air spans 49%-78%, with the highest values around 23:00. Winds stay light, near 4.1 km/h by 17:00, so the day feels still more than breezy.

Later hours favour clearer intervals, as cloud stays near 41% around 21:00. The afternoon is the better half for outdoor time. Views remain open at about 16.1 km. The sun rises at 06:40 and sets at 18:52, for a total of 12 hours 12 minutes of sunlight today.

Overall, Monrovia on September 15, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 29°C.

Frequently asked questions about weather in Monrovia

How warm does it get in Monrovia?

The warmest month in Monrovia is August, with average high temperatures of 32°C. The average temperature during this period is around 25°C.

How cold does it get in Monrovia?

The coldest month in Monrovia is January, with average low temperatures of 6°C. The average temperature during this period is around 10°C.

What is the wettest time of year in Monrovia?

The wettest month in Monrovia is January, with an average of 92mm of precipitation.

What is the driest time of year in Monrovia?

The driest month in Monrovia is June, with an average of 4mm of precipitation.

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Metric (°C, km/h)