Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

76.5°F

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Dewpoint

46.0°F Extremely Comfortable

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Barometer

29.812 inHg Normal

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AQI

21 Good

—PM2.5

4 µg/m³

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UV Index

3.3 Moderate

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Radiation

423 W/m² Moderate

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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
34%

Wind

↑

3 mph
SW
(225°)

WeatherBoard

This Afternoon

NWS Forecast

Mostly sunny. High near 74, with temperatures falling to around 72 in the afternoon. West wind 9 to 17 mph, with gusts as high as 21 mph.

Temperature	76.5 50.8	°F
Dew Point	57.0 46.0	°F
Barometer	29.923 29.808	inHg
AQI	29 12
PM 2.5	5 2	µg/m³
UV Index	8.4 0.0
Radiation	881 0	W/m²
CO₂	504 397	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	12 54	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 37	mph °
Humidity	90 34	%
Heat Index	75.5	°F
Wind Chill	50.8	°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