Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

54.1°F

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Dewpoint

40.1°F Dry & Crisp

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Barometer

30.274 inHg High

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AQI

13 Good

—PM2.5

2 µg/m³

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UV Index

2.7 Low

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Radiation

431 W/m² Moderate

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CO₂	407 ppm Normal Background (Excellent)

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Rain Today

0.01 in

Rain Rate
0.00 in/h

24 Hour Rain

0.02 in

Humidity
59%

Wind

↑

5 mph
NW
(315°)

WeatherBoard

Today

NWS Forecast

Sunny. High near 54, with temperatures falling to around 52 in the afternoon. North northwest wind 7 to 10 mph.

Temperature	54.1 43.6	°F
Dew Point	47.5 37.2	°F
Barometer	30.302 30.134	inHg
AQI	15 4
PM 2.5	3 1	µg/m³
UV Index	2.7 0.0
Radiation	431 0	W/m²
CO₂	512 381	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	16 293	mph °
Wind Average	3	mph
Wind RMS	3	mph
Vector Average Average Direction	3 322	mph °
Humidity	90 58	%
Heat Index	52.0	°F
Wind Chill	41.7	°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