Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

74.5°F

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Dewpoint

58.7°F Comfortable

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Barometer

29.939 inHg Normal

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AQI

23 Good

—PM2.5

4 µg/m³

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UV Index

4.2 Moderate

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Radiation

377 W/m² Moderate

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CO₂	471 ppm Moderately Elevated

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
58%

Wind

↑

4 mph
NE
(45°)

WeatherBoard

Saturday

NWS Forecast

Mostly sunny. High near 77, with temperatures falling to around 71 in the afternoon. North northwest wind 2 to 6 mph.

Temperature	76.6 54.5	°F
Dew Point	61.0 51.6	°F
Barometer	29.999 29.923	inHg
AQI	41 6
PM 2.5	7 1	µg/m³
UV Index	6.6 0.0
Radiation	742 0	W/m²
CO₂	549 462	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	11 334	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 76	mph °
Humidity	91 55	%
Heat Index	76.6	°F
Wind Chill	54.5	°F
ET	0.02 0.00	in

Equinox	03/20/2026 07:45:53 AM
Solstice	06/21/2026 01:24:31 AM

Downstream Systems