Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

50.5°F

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Dewpoint

47.7°F Dry & Crisp

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Barometer

29.959 inHg Normal

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AQI

22 Good

—PM2.5

4 µg/m³

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UV Index

0.0 Low

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Radiation

0 W/m² Dark/Nighttime

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CO₂	445 ppm Slightly Elevated (Typical Urban)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
90%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Patchy fog after 4am. Partly cloudy, with a low around 51. South wind around 2 mph.

Temperature	52.7 49.7	°F
Dew Point	48.7 46.6	°F
Barometer	29.983 29.956	inHg
AQI	39 20
PM 2.5	7 4	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	466 420	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	2 295	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 315	mph °
Humidity	90 86	%
Heat Index	51.7	°F
Wind Chill	49.7	°F
ET	0.00 0.00	in

Solstice	06/21/2026 01:24:31 AM
Equinox	09/22/2026 05:05:09 PM

Downstream Systems