Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

50.8°F

▲

Dewpoint

48.0°F Dry & Crisp

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Barometer

30.048 inHg Normal

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AQI

58 Moderate

—PM2.5

13 µg/m³

▲

UV Index

0.9 Low

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Radiation

95 W/m² Dark/Nighttime

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CO₂	506 ppm High (Polluted/Stagnant Air)

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Rain Today

0.02 in

Rain Rate
0.00 in/h

24 Hour Rain

0.02 in

Humidity
90%

Wind

↑

1 mph
WNW
(292°)

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Wednesday

NWS Forecast

Rain. Cloudy. High near 55, with temperatures falling to around 53 in the afternoon. North northwest wind around 3 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Temperature	51.0 43.3	°F
Dew Point	48.5 40.9	°F
Barometer	30.133 30.047	inHg
AQI	62 41
PM 2.5	15 7	µg/m³
UV Index	0.9 0.0
Radiation	95 0	W/m²
CO₂	546 452	ppm
Rain	0.02	in
Rain Rate	0.00	in/h
Wind Max	3 318	mph °
Wind Average	1	mph
Wind RMS	1	mph
Vector Average Average Direction	0 296	mph °
Humidity	91 85	%
Heat Index	50.1	°F
Wind Chill	43.3	°F
ET	0.00 0.00	in

☀		☽
Rise	07:22:23 AM	Rise	02:08:51 PM
Transit	12:11:41 PM	Transit	09:56:51 PM
Set	05:01:07 PM	Set	04:35:21 AM
Daylight	09:38		Waxing gibbous 90% full
Azimuth	163.9°		24.5°
Altitude	27.8°		-23.4°

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