Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

71.5°F

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Dewpoint

33.8°F Extremely Comfortable

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Barometer

29.805 inHg Normal

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AQI

23 Good

—PM2.5

4 µg/m³

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UV Index

0.0 Low

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Radiation

0 W/m² Dark/Nighttime

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CO₂	431 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
25%

Wind

↑

4 mph
NE
(45°)

WeatherBoard

Tonight

NWS Forecast

Clear, with a low around 58. Northwest wind 10 to 17 mph, with gusts as high as 32 mph.

Temperature	76.4 47.2	°F
Dew Point	52.1 30.5	°F
Barometer	29.951 29.791	inHg
AQI	44 19
PM 2.5	8 3	µg/m³
UV Index	8.6 0.0
Radiation	835 0	W/m²
CO₂	466 399	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	15 55	mph °
Wind Average	2	mph
Wind RMS	3	mph
Vector Average Average Direction	1 14	mph °
Humidity	86 20	%
Heat Index	75.2	°F
Wind Chill	47.2	°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