Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

33.9°F

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Dewpoint

31.6°F Dry/Moisture Depleted

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Barometer

30.190 inHg High

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AQI

10 Good

—PM2.5

2 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

0.00 in

Humidity
91%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Mostly clear. Low around 39, with temperatures rising to around 41 overnight. West wind around 2 mph.

Temperature	37.5 33.6	°F
Dew Point	34.0 31.0	°F
Barometer	30.217 30.181	inHg
AQI	40 9
PM 2.5	7 2	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	535 492	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	0 275	mph °
Humidity	91 86	%
Heat Index	37.5	°F
Wind Chill	33.6	°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