Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

35.5°F

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Dewpoint

33.4°F Dry/Moisture Depleted

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Barometer

30.303 inHg High

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AQI

17 Good

—PM2.5

3 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	493 ppm Moderately Elevated

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.01 in

Humidity
92%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Mostly clear, with a low around 38. North northwest wind around 3 mph.

Temperature	39.8 35.5	°F
Dew Point	36.5 33.4	°F
Barometer	30.304 30.278	inHg
AQI	55 14
PM 2.5	11 3	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	506 464	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	3 195	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 297	mph °
Humidity	93 88	%
Heat Index	39.8	°F
Wind Chill	35.5	°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