Tomorrow | Weather | Santa Rosa, California

Active Weather Warnings
Wednesday, September 9, 2026
Hot Day
Day 102°
Night 59°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 7
Weather Forecast History
Last Year's Weather on This Day (September 9, 2025)
Foggy Weather

Day

73°

Night

57°

Wind

5 mph

Precipitation

25 %

Weather Alerts and Warnings for

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 7 at 10:27AM PDT until September 10 at 10:00PM PDT by NWS San Francisco CA
Sep 9, 10:00 AM Sep 10, 10:00 PM
WHAT: Hot conditions with temperatures 10 to 20 degrees above
normal.

WHERE: Bay Area and Central Coast.

WHEN: From 10 AM Wednesday to 10 PM PDT Thursday.

IMPACTS: This level of heat affects most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration. Impacts possible in some health systems and in
heat-sensitive industries. Hot conditions can cause heat illnesses.
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Hydration is a critical piece to surviving the heat. Drink water, and if possible, take water to those who are vulnerable. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to the early morning or evening. Take action when you experience symptoms of heat exhaustion and/or heat stroke. Beat the heat and check the backseat! Do not leave young children or pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Updated: Sep 8, 1:47 AM Source: NWS Alert