Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

73.7°F

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Dewpoint

55.5°F Comfortable

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Barometer

29.997 inHg Normal

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AQI

26 Good

—PM2.5

5 µg/m³

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UV Index

8.4 Very High

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Radiation

836 W/m² High

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CO₂	439 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
53%

Wind

↑

4 mph
NE
(45°)

WeatherBoard

This Afternoon

NWS Forecast

Sunny. High near 76, with temperatures falling to around 72 in the afternoon. Northwest wind 8 to 12 mph, with gusts as high as 18 mph.

Temperature	74.6 48.2	°F
Dew Point	56.6 44.8	°F
Barometer	30.033 29.976	inHg
AQI	32 11
PM 2.5	6 2	µg/m³
UV Index	8.7 0.0
Radiation	842 0	W/m²
CO₂	468 418	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	9 352	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	1 44	mph °
Humidity	91 45	%
Heat Index	74.1	°F
Wind Chill	48.2	°F
ET	0.03 0.00	in

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

Downstream Systems