Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

37.4°F

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Dewpoint

33.9°F Dry/Moisture Depleted

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Barometer

30.217 inHg High

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AQI

30 Good

—PM2.5

6 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	522 ppm High (Polluted/Stagnant Air)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
87%

Wind

↑

1 mph
SSW
(202°)

WeatherBoard

Tonight

NWS Forecast

Mostly clear, with a low around 39. Southwest wind around 5 mph.

Temperature	37.5 37.3	°F
Dew Point	34.0 33.5	°F
Barometer	30.217 30.210	inHg
AQI	33 29
PM 2.5	6 5	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	524 521	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	2 15	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	1 180	mph °
Humidity	87 86	%
Heat Index	37.5	°F
Wind Chill	37.3	°F
ET	0.00 0.00	in

Equinox	03/20/2026 07:45:53 AM
Solstice	06/21/2026 01:24:31 AM

Downstream Systems