Weather Forecast for Santa Rosa

California, United States of America

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Sunny

Current Weather - Santa Rosa: 22°C

California, United States of America

Sunny

Feels like 22°C

Wind

4 km/h S

Humidity

51%

Pressure

1012 mb

UV Index

6

Visibility

10 km

Sunny

Sunny

Thursday, May 21, 2026

High

32°C

Low

11°C

Rain Chance

0%

Hourly Forecast

Sunny 20°C
19:00
Sunny 16°C
20:00
Clear 14°C
21:00
Clear 13°C
22:00
Clear 12°C
23:00
May 22

Day Statistics

Maximum Wind

16 km/h

Humidity

51%

Precipitation

0 mm

UV Index

0

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

05:55 AM

Sunset

08:21 PM

Moonrise

10:54 AM

Moonset

12:53 AM

Moon Phase

Waxing Crescent

Moon Illumination

24%

Air Quality

PM2.5

12.8

μg/m³

PM10

16.9

μg/m³

NO₂

9.2

μg/m³

O₃

57.2

μg/m³

SO₂

1.4

μg/m³

CO

142.9

μg/m³

US EPA Index: 1 GB DEFRA Index: 2

Solar Radiation Data

Shortwave Radiation

281.28

Diffuse Radiation

40.58

DNI

398.85

GTI

221.8