Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

50.4°F

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Dewpoint

49.0°F Dry & Crisp

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Barometer

29.874 inHg Normal

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AQI

38 Good

—PM2.5

7 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	431 ppm Slightly Elevated (Typical Urban)

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Rain Today

0.01 in

Rain Rate
0.00 in/h

24 Hour Rain

0.32 in

Humidity
95%

Wind

↑

1 mph
NE
(45°)

WeatherBoard

View

Overnight

NWS Forecast

Rain. Cloudy. Low around 51, with temperatures rising to around 54 overnight. East southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

Temperature	50.5 50.3	°F
Dew Point	49.1 48.9	°F
Barometer	29.886 29.871	inHg
AQI	51 34
PM 2.5	9 6	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	436 427	ppm
Rain	0.01	in
Rain Rate	0.00	in/h
Wind Max	5 110	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	1 108	mph °
Humidity	95 95	%
Heat Index	49.7	°F
Wind Chill	50.3	°F
ET	0.00 0.00	in

☀		☽
Rise	07:22:34 AM	Rise	03:06:14 PM
Transit	12:12:10 PM	Transit	11:03:24 PM
Set	05:01:53 PM	Set	05:51:33 AM
Daylight	09:39		Waxing gibbous 94% full
Azimuth	32.2°		266.0°
Altitude	-73.4°		53.3°

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