Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

50.1°F

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Dewpoint

44.8°F Dry & Crisp

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Barometer

30.125 inHg High

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AQI

15 Good

—PM2.5

3 µg/m³

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UV Index

0.0 Low

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Radiation

0 W/m² Dark/Nighttime

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CO₂	430 ppm Normal Background (Excellent)

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Rain Today

0.02 in

Rain Rate
0.00 in/h

24 Hour Rain

0.02 in

Humidity
82%

Wind

↑

1 mph
S
(180°)

WeatherBoard

Tonight

NWS Forecast

Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. West northwest wind around 10 mph, with gusts as high as 18 mph.

Temperature	60.3 44.6	°F
Dew Point	51.3 43.3	°F
Barometer	30.131 30.028	inHg
AQI	26 2
PM 2.5	5 0	µg/m³
UV Index	2.9 0.0
Radiation	446 0	W/m²
CO₂	568 403	ppm
Rain	0.02	in
Rain Rate	0.00	in/h
Wind Max	15 343	mph °
Wind Average	2	mph
Wind RMS	3	mph
Vector Average Average Direction	2 317	mph °
Humidity	97 66	%
Heat Index	59.2	°F
Wind Chill	44.6	°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