Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

73.5°F

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Dewpoint

42.6°F Extremely Comfortable

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Barometer

30.102 inHg Normal

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AQI

22 Good

—PM2.5

4 µg/m³

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UV Index

5.7 Moderate

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Radiation

641 W/m² High

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CO₂	440 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
33%

Wind

↑

2 mph
ESE
(112°)

WeatherBoard

This Afternoon

NWS Forecast

Sunny, with a high near 74. North wind 6 to 10 mph.

Temperature	73.7 44.5	°F
Dew Point	44.6 38.6	°F
Barometer	30.169 30.101	inHg
AQI	26 10
PM 2.5	5 2	µg/m³
UV Index	5.9 0.0
Radiation	679 0	W/m²
CO₂	520 412	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	9 39	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 92	mph °
Humidity	80 32	%
Heat Index	72.4	°F
Wind Chill	44.5	°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