Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

52.4°F

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Dewpoint

48.0°F Dry & Crisp

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Barometer

30.185 inHg High

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AQI

5 Good

—PM2.5

1 µg/m³

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UV Index

1.1 Low

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Radiation

232 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
85%

Wind

↑

2 mph
NW
(315°)

WeatherBoard

Today

NWS Forecast

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

Temperature	52.4 43.5	°F
Dew Point	48.3 41.9	°F
Barometer	30.186 30.067	inHg
AQI	16 1
PM 2.5	3 0	µg/m³
UV Index	1.1 0.0
Radiation	236 0	W/m²
CO₂	491 398	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	5 322	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 235	mph °
Humidity	95 85	%
Heat Index	51.3	°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