Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

50.7°F

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Dewpoint

49.3°F Dry & Crisp

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Barometer

29.829 inHg Normal

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AQI

25 Good

—PM2.5

5 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	443 ppm Slightly Elevated (Typical Urban)

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Rain Today

0.28 in

Rain Rate
0.09 in/h

24 Hour Rain

0.59 in

Humidity
95%

Wind

0 mph

WeatherBoard

View

Overnight

NWS Forecast

Rain before 4am, then showers and thunderstorms. Cloudy. Low around 51, with temperatures rising to around 53 overnight. East southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Temperature	50.9 50.3	°F
Dew Point	49.8 48.9	°F
Barometer	29.886 29.826	inHg
AQI	51 13
PM 2.5	9 2	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	452 414	ppm
Rain	0.28	in
Rain Rate	0.86	in/h
Wind Max	5 110	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 32	mph °
Humidity	96 95	%
Heat Index	50.2	°F
Wind Chill	50.3	°F
ET	0.00 0.00	in

☀		☽
Rise	07:22:35 AM	Rise	03:06:14 PM
Transit	12:12:10 PM	Transit	11:03:24 PM
Set	05:01:52 PM	Set	05:51:33 AM
Daylight	09:39		Waxing gibbous 95% full
Azimuth	106.3°		306.2°
Altitude	-17.0°		-0.7°

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