Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

76.5°F

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Dewpoint

47.5°F Extremely Comfortable

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Barometer

29.973 inHg Normal

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AQI

32 Good

—PM2.5

6 µg/m³

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UV Index

2.5 Low

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Radiation

410 W/m² Moderate

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CO₂	443 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
36%

Wind

↑

3 mph
NNW
(338°)

WeatherBoard

This Afternoon

NWS Forecast

Sunny. High near 76, with temperatures falling to around 72 in the afternoon. Northwest wind around 12 mph, with gusts as high as 18 mph.

Temperature	80.0 48.2	°F
Dew Point	58.1 44.8	°F
Barometer	30.033 29.965	inHg
AQI	34 11
PM 2.5	6 2	µg/m³
UV Index	8.7 0.0
Radiation	842 0	W/m²
CO₂	468 414	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	12 46	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 22	mph °
Humidity	91 34	%
Heat Index	79.6	°F
Wind Chill	48.2	°F
ET	0.03 0.00	in

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

Downstream Systems