Palo Alto Weather Current Conditions

Conditions now

Palo Alto, CA · every 2 seconds

Current conditions

Wind

0 mph

gusting 1 mph

Rain

No rain

in the last 24 hours

0.00 in

Today

0.00 in

24 hours

Rain Rate0.00 in/h

Last rainSep 4, 0.02 in

Rain year to date14.73 in

On their scales

Measure	Reading	Reads as
Dewpoint	55.7°F
Barometer	30.040 inHg
AQI	24	PM2.5 4 µg/m³
UV Index	0.0
Radiation	0 W/m²
CO₂	416 ppm

WeatherBoard →

Forecast

National Weather Service

Overnight

Partly cloudy, with a low around 58. South wind around 5 mph.

7-Day and Hourly Forecast pages →

Today’s highs and lows the full ledger →

Temperature & Air

Temperature°F

58.9 57.1

Dew Point°F

55.8 53.8

Humidity%

91 87

Heat Index°F

58.6

Wind Chill°F

57.1

Barometer inHg

30.063 30.037

Air Quality

AQI

28 19

PM 2.5 µg/m³

5 4

CO₂ ppm

439 413

Sun

UV Index

0.0 0.0

Radiation W/m²

0 0

Wind

Wind Max mph

2 1°

Wind Average mph

Wind RMS mph

Vector Average mph

0 0°

Rain & Evapotranspiration

Rain in

0.00

Rain Rate in/h

0.00

ET in

0.00 0.00

Forecast

National Weather Service

Overnight

Partly cloudy, with a low around 58. South wind around 5 mph.

7-Day and Hourly Forecast pages →

Downstream systems

NWSFW4751 SynopticF4751 PurpleAirPaloAltoWeather.com APRS / CWOPF4751 UK Met OfficePaloAltoWeather.com WOW-BEPaloAltoWeather.com Windyf0634ec3 Weather UndergroundKCAPALOA156 WeatherCloudPaloAltoWeather.com AWEKAS16242 PWS WeatherPALOALTOCA

Sun & moon

Sunrise

6:53 AM

tomorrow 6:54 AM

Sunset

7:09 PM

tomorrow 7:08 PM

First quarter

55% full

rises 3:25 PM · sets 12:40 AM

full moon Sep 26 · equinox Sep 22

lunar eclipse Aug 17, 2027 · penumbral

Twilight & daylight

Twilight	Begins	Ends
Civillights off, horizon clear	6:27 AM	7:35 PM
Nauticalhorizon still visible at sea	5:57 AM	8:06 PM
Astronomicalthe last of the sky glow	5:26 AM	8:37 PM

Daylight 12 h 15 m 143 s shorter than yesterday

Solar noon 1:02 PM altitude 53.8°