Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

52.8°F

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Dewpoint

46.1°F Dry & Crisp

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Barometer

29.997 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	430 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
78%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

A slight chance of drizzle between 3am and 4am. Partly cloudy, with a low around 47. West southwest wind around 2 mph.

Temperature	53.6 51.8	°F
Dew Point	46.7 44.9	°F
Barometer	30.010 29.993	inHg
AQI	29 22
PM 2.5	5 4	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	477 409	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	2 1	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 346	mph °
Humidity	79 77	%
Heat Index	52.3	°F
Wind Chill	51.8	°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