Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

53.5°F

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Dewpoint

47.1°F Dry & Crisp

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Barometer

30.192 inHg High

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AQI

6 Good

—PM2.5

1 µg/m³

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UV Index

1.8 Low

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Radiation

236 W/m² Low

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CO₂	416 ppm Normal Background (Excellent)

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Rain Today

0.01 in

Rain Rate
0.00 in/h

24 Hour Rain

0.03 in

Humidity
79%

Wind

↑

3 mph
NE
(45°)

WeatherBoard

Today

NWS Forecast

Mostly sunny. High near 54, with temperatures falling to around 52 in the afternoon. Northwest wind around 7 mph.

Temperature	54.3 43.5	°F
Dew Point	48.3 41.9	°F
Barometer	30.199 30.067	inHg
AQI	16 1
PM 2.5	3 0	µg/m³
UV Index	2.3 0.0
Radiation	394 0	W/m²
CO₂	491 398	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	8 51	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 290	mph °
Humidity	95 79	%
Heat Index	53.2	°F
Wind Chill	43.5	°F
ET	0.00 0.00	in

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

Downstream Systems