Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

72.4°F

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Dewpoint

29.1°F Extremely Comfortable

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Barometer

30.051 inHg Normal

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AQI

25 Good

—PM2.5

5 µg/m³

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UV Index

6.8 High

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Radiation

751 W/m² High

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CO₂	437 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
20%

Wind

↑

3 mph
NE
(45°)

WeatherBoard

This Afternoon

NWS Forecast

Sunny, with a high near 72. North northwest wind around 8 mph.

Temperature	73.1 43.0	°F
Dew Point	40.5 24.2	°F
Barometer	30.084 30.026	inHg
AQI	27 11
PM 2.5	5 2	µg/m³
UV Index	7.7 0.0
Radiation	807 0	W/m²
CO₂	471 409	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	11 56	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 3	mph °
Humidity	74 19	%
Heat Index	71.0	°F
Wind Chill	43.0	°F
ET	0.02 0.00	in

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

Downstream Systems