Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

49.7°F

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Dewpoint

45.1°F Dry & Crisp

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Barometer

30.118 inHg Normal

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AQI

16 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	428 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
84%

Wind

↑

1 mph
WNW
(292°)

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	30.121 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	2 318	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