Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

65.4°F

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Dewpoint

52.9°F Dry and Very Comfortable

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Barometer

30.183 inHg High

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AQI

17 Good

—PM2.5

3 µg/m³

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UV Index

4.8 Moderate

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Radiation

527 W/m² Moderate

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CO₂	470 ppm Moderately Elevated

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Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
64%

Wind

↑

4 mph
NE
(45°)

WeatherBoard

Today

NWS Forecast

Partly sunny. High near 70, with temperatures falling to around 66 in the afternoon. Northeast wind around 2 mph.

Temperature	67.1 42.7	°F
Dew Point	53.5 41.1	°F
Barometer	30.298 30.180	inHg
AQI	28 7
PM 2.5	5 1	µg/m³
UV Index	5.4 0.0
Radiation	635 0	W/m²
CO₂	574 461	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	8 44	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 55	mph °
Humidity	95 59	%
Heat Index	66.4	°F
Wind Chill	42.7	°F
ET	0.01 0.00	in

Equinox	03/20/2026 07:45:53 AM
Solstice	06/21/2026 01:24:31 AM

Downstream Systems