Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

66.5°F

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Dewpoint

53.9°F Dry and Very Comfortable

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Barometer

29.944 inHg Normal

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AQI

22 Good

—PM2.5

4 µg/m³

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UV Index

4.7 Moderate

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Radiation

571 W/m² Moderate

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CO₂	410 ppm Normal Background (Excellent)

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
64%

Wind

↑

1 mph
NNE
(22°)

WeatherBoard

Thursday

NWS Forecast

Sunny. High near 78, with temperatures falling to around 76 in the afternoon. West wind 2 to 8 mph.

Temperature	66.9 52.4	°F
Dew Point	54.6 48.2	°F
Barometer	29.953 29.893	inHg
AQI	26 13
PM 2.5	5 2	µg/m³
UV Index	4.8 0.0
Radiation	575 0	W/m²
CO₂	432 396	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	4 114	mph °
Wind Average	0	mph
Wind RMS	1	mph
Vector Average Average Direction	0 156	mph °
Humidity	89 64	%
Heat Index	66.3	°F
Wind Chill	52.4	°F
ET	0.01 0.00	in

Equinox	09/22/2026 05:05:09 PM
Solstice	12/21/2026 12:49:59 PM

Downstream Systems