Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

38.0°F

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Dewpoint

36.7°F Dry/Moisture Depleted

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Barometer

30.328 inHg High

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AQI

7 Good

—PM2.5

1 µg/m³

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UV Index

0.0 Low

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Radiation

18 W/m² Dark/Nighttime

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CO₂	514 ppm High (Polluted/Stagnant Air)

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Rain Today

0.01 in

Rain Rate
0.00 in/h

24 Hour Rain

0.01 in

Humidity
95%

Wind

↑

1 mph
NW
(315°)

WeatherBoard

Today

NWS Forecast

Sunny. High near 56, with temperatures falling to around 53 in the afternoon. North northeast wind 2 to 6 mph.

Temperature	40.1 35.9	°F
Dew Point	38.5 34.6	°F
Barometer	30.332 30.260	inHg
AQI	26 4
PM 2.5	5 1	µg/m³
UV Index	0.0 0.0
Radiation	18 0	W/m²
CO₂	523 440	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	2 233	mph °
Wind Average	0	mph
Wind RMS	1	mph
Vector Average Average Direction	0 267	mph °
Humidity	95 93	%
Heat Index	40.0	°F
Wind Chill	35.9	°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