Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

76.2°F

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Dewpoint

41.6°F Extremely Comfortable

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Barometer

29.905 inHg Normal

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AQI

26 Good

—PM2.5

5 µg/m³

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UV Index

2.9 Low

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Radiation

357 W/m² Moderate

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CO₂	444 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
29%

Wind

↑

3 mph
NW
(315°)

WeatherBoard

This Afternoon

NWS Forecast

Mostly sunny. High near 77, with temperatures falling to around 75 in the afternoon. North northwest wind around 7 mph.

Temperature	77.1 42.7	°F
Dew Point	50.3 37.3	°F
Barometer	30.050 29.902	inHg
AQI	28 10
PM 2.5	5 2	µg/m³
UV Index	8.4 0.0
Radiation	856 0	W/m²
CO₂	495 428	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	11 342	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 30	mph °
Humidity	88 26	%
Heat Index	75.9	°F
Wind Chill	42.7	°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