Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

51.2°F

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Dewpoint

40.6°F Dry & Crisp

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Barometer

30.062 inHg Normal

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AQI

18 Good

—PM2.5

3 µg/m³

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UV Index

2.5 Low

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Radiation

285 W/m² Low

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CO₂	428 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
67%

Wind

↑

2 mph
NE
(45°)

WeatherBoard

Friday

NWS Forecast

Partly sunny. High near 54, with temperatures falling to around 52 in the afternoon. East southeast wind around 2 mph.

Temperature	52.4 34.3	°F
Dew Point	42.5 32.5	°F
Barometer	30.103 29.956	inHg
AQI	22 4
PM 2.5	4 1	µg/m³
UV Index	4.4 0.0
Radiation	671 0	W/m²
CO₂	565 420	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	7 54	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 25	mph °
Humidity	94 66	%
Heat Index	50.5	°F
Wind Chill	34.3	°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