Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

56.6°F

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Dewpoint

53.4°F Pleasantly Mild & Balanced

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Barometer

29.912 inHg Normal

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AQI

25 Good

—PM2.5

5 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	434 ppm Slightly Elevated (Typical Urban)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.07 in

Humidity
89%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

A slight chance of rain between 4am and 5am. Mostly cloudy, with a low around 52. South wind around 5 mph. Chance of precipitation is 20%.

Temperature	59.6 56.0	°F
Dew Point	54.4 52.2	°F
Barometer	29.916 29.904	inHg
AQI	29 20
PM 2.5	5 4	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	454 407	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	3 154	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 172	mph °
Humidity	89 80	%
Heat Index	59.0	°F
Wind Chill	56.0	°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