Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

56.3°F

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Dewpoint

47.4°F Pleasantly Mild & Balanced

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Barometer

29.903 inHg Normal

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AQI

46 Good

—PM2.5

8 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	509 ppm High (Polluted/Stagnant Air)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
72%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Partly cloudy. Low around 55, with temperatures rising to around 58 overnight. Southwest wind around 2 mph.

Temperature	60.2 56.2	°F
Dew Point	49.6 47.3	°F
Barometer	29.923 29.902	inHg
AQI	52 43
PM 2.5	9 8	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	529 487	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	1 46	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 N/A	mph °
Humidity	73 67	%
Heat Index	59.1	°F
Wind Chill	56.2	°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