Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

72.6°F

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Dewpoint

45.5°F Extremely Comfortable

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Barometer

29.951 inHg Normal

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AQI

35 Good

—PM2.5

6 µg/m³

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UV Index

0.0 Low

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Radiation

44 W/m² Dark/Nighttime

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CO₂	429 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
38%

Wind

↑

1 mph
NW
(315°)

WeatherBoard

Tonight

NWS Forecast

Mostly clear, with a low around 53. West wind 1 to 5 mph.

Temperature	85.9 47.2	°F
Dew Point	56.2 31.3	°F
Barometer	30.050 29.950	inHg
AQI	46 16
PM 2.5	8 3	µg/m³
UV Index	7.1 0.0
Radiation	737 0	W/m²
CO₂	512 411	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	12 39	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 11	mph °
Humidity	87 15	%
Heat Index	83.2	°F
Wind Chill	47.2	°F
ET	0.02 0.00	in

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

Downstream Systems