Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

72.6°F

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Dewpoint

59.3°F Comfortable

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Barometer

29.977 inHg Normal

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AQI

16 Good

—PM2.5

3 µg/m³

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UV Index

9.3 Very High

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Radiation

816 W/m² High

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CO₂	421 ppm Normal Background (Excellent)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
63%

Wind

↑

2 mph
NE
(45°)

WeatherBoard

This Afternoon

NWS Forecast

Sunny. High near 76, with temperatures falling to around 74 in the afternoon. North northwest wind 7 to 10 mph.

Temperature	73.1 58.7	°F
Dew Point	59.6 53.4	°F
Barometer	30.002 29.952	inHg
AQI	32 8
PM 2.5	6 2	µg/m³
UV Index	9.7 0.0
Radiation	842 0	W/m²
CO₂	426 403	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	8 28	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 29	mph °
Humidity	87 62	%
Heat Index	73.0	°F
Wind Chill	58.7	°F
ET	0.02 0.00	in

Equinox	09/22/2026 05:05:13 PM
Solstice	12/21/2026 12:50:14 PM

Downstream Systems