Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

47.4°F

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Dewpoint

44.9°F Dry & Crisp

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Barometer

30.025 inHg Normal

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AQI

5 Good

—PM2.5

1 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	418 ppm Normal Background (Excellent)

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Rain Today

0.03 in

Rain Rate
0.00 in/h

24 Hour Rain

0.13 in

Humidity
91%

Wind

0 mph

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Tonight

NWS Forecast

A slight chance of rain showers before 1am. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. West southwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Temperature	61.6 47.4	°F
Dew Point	51.8 44.9	°F
Barometer	30.025 29.868	inHg
AQI	21 2
PM 2.5	4 0	µg/m³
UV Index	2.8 0.0
Radiation	584 0	W/m²
CO₂	432 397	ppm
Rain	0.03	in
Rain Rate	0.00	in/h
Wind Max	17 168	mph °
Wind Average	2	mph
Wind RMS	3	mph
Vector Average Average Direction	2 181	mph °
Humidity	92 56	%
Heat Index	60.2	°F
Wind Chill	47.4	°F
ET	0.01 0.00	in

☀		☽
Rise	07:21:03 AM	Rise	11:24:43 AM
Transit	12:09:16 PM	Transit	05:29:44 PM
Set	04:57:33 PM	Set	11:45:08 PM
Daylight	09:36		First quarter 44% full
Azimuth	272.1°		240.2°
Altitude	-43.3°		33.0°

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