Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

52.5°F

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Dewpoint

47.8°F Dry & Crisp

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Barometer

30.032 inHg Normal

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AQI

16 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	423 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
84%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. Northwest wind around 2 mph.

Temperature	58.2 52.5	°F
Dew Point	51.8 47.8	°F
Barometer	30.033 30.009	inHg
AQI	21 12
PM 2.5	4 2	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	451 384	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	3 1	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 330	mph °
Humidity	84 78	%
Heat Index	57.4	°F
Wind Chill	52.5	°F
ET	0.00 0.00	in

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

Downstream Systems