Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

75.3°F

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Dewpoint

34.9°F Extremely Comfortable

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Barometer

29.937 inHg Normal

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AQI

31 Good

—PM2.5

6 µg/m³

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UV Index

0.0 Low

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Radiation

2 W/m² Dark/Nighttime

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CO₂	448 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
23%

Wind

↑

1 mph
NW
(315°)

WeatherBoard

Tonight

NWS Forecast

Clear, with a low around 54. West northwest wind 1 to 12 mph, with gusts as high as 20 mph.

Temperature	84.4 65.1	°F
Dew Point	44.5 32.2	°F
Barometer	29.978 29.839	inHg
AQI	33 17
PM 2.5	6 3	µg/m³
UV Index	8.5 0.0
Radiation	842 0	W/m²
CO₂	461 381	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	16 23	mph °
Wind Average	3	mph
Wind RMS	3	mph
Vector Average Average Direction	3 27	mph °
Humidity	46 16	%
Heat Index	81.5	°F
Wind Chill	65.1	°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