Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

77.1°F

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Dewpoint

59.2°F Comfortable

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Barometer

29.976 inHg Normal

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AQI

36 Good

—PM2.5

7 µg/m³

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UV Index

6.6 High

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Radiation

683 W/m² High

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CO₂	435 ppm Slightly Elevated (Typical Urban)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
54%

Wind

↑

3 mph
NE
(45°)

WeatherBoard

Today

NWS Forecast

Sunny. High near 77, with temperatures falling to around 75 in the afternoon. Northwest wind 2 to 7 mph.

Temperature	77.5 47.5	°F
Dew Point	59.8 44.7	°F
Barometer	30.019 29.963	inHg
AQI	41 22
PM 2.5	7 4	µg/m³
UV Index	6.8 0.0
Radiation	694 0	W/m²
CO₂	461 406	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	9 37	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 31	mph °
Humidity	91 45	%
Heat Index	77.4	°F
Wind Chill	47.5	°F
ET	0.02 0.00	in

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

Downstream Systems