Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

51.6°F

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Dewpoint

48.5°F Dry & Crisp

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Barometer

29.907 inHg Normal

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AQI

2 Good

—PM2.5

0 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	409 ppm Normal Background (Excellent)

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Rain Today

0.01 in

Rain Rate
0.00 in/h

24 Hour Rain

0.82 in

Humidity
89%

Wind

↑

2 mph
SE
(135°)

WeatherBoard

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Overnight

NWS Forecast

A chance of rain showers. Mostly cloudy. Low around 47, with temperatures rising to around 49 overnight. Southeast wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Temperature	51.6 48.1	°F
Dew Point	48.9 46.7	°F
Barometer	29.944 29.904	inHg
AQI	19 1
PM 2.5	3 0	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	438 392	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	8 194	mph °
Wind Average	2	mph
Wind RMS	2	mph
Vector Average Average Direction	1 155	mph °
Humidity	95 89	%
Heat Index	50.7	°F
Wind Chill	46.5	°F
ET	0.00 0.00	in

☀		☽
Rise	07:22:54 AM	Rise	07:58:54 PM
Transit	12:13:59 PM	Transit	02:09:55 AM
Set	05:05:14 PM	Set	09:22:07 AM
Daylight	09:42		Full 94% full
Azimuth	101.6°		258.8°
Altitude	-22.9°		44.4°

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

Downstream Systems

NWS	FW4751
MesoWest	F4751
PurpleAir	PaloAltoWeather.com
APRS/CWOP	F4751
UK Met Office	PaloAltoWeather.com
WOW-BE	PaloAltoWeather.com
Windy	f0634ec3
Weather Under.	KCAPALOA156
WeatherCloud	PaloAltoWeather.com
AWEKAS	16242
PWS	PALOALTOCA