Current Conditions

PaloAltoWeather.com

Weather, Air Quality & Seismic Activity

Conditions now

Palo Alto, CA · every 2 seconds

Current conditions

Temperature

64.3°F
Humidity 77%

Wind

2 mph
gusting 7 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

MeasureReading Reads asScale
Dewpoint 56.9°F
Barometer 29.940 inHg
AQI 17 PM2.5 3 µg/m³
UV Index 3.1
Radiation 348 W/m²
CO2 415 ppm

WeatherBoard →

Forecast

National Weather Service
This Afternoon

Mostly cloudy. High near 74, with temperatures falling to around 71 in the afternoon. North northwest wind around 8 mph.

7-Day and Hourly Forecast pages →

Today’s highs and lows the full ledger →

Temperature & Air

Temperature°F
67.3 56.3
Dew Point°F
58.0 52.6
Humidity%
88 70
Heat Index°F
67.1
Wind Chill°F
56.3
Barometer inHg
29.990 29.938

Air Quality

AQI
41 13
PM 2.5 µg/m³
7 2
CO2 ppm
460 369

Sun

UV Index
7.6 0.0
Radiation W/m²
833 0

Wind

Wind Max mph
9 18°
Wind Average mph
1
Wind RMS mph
1
Vector Average mph
0 24°

Rain & Evapotranspiration

Rain in
0.00
Rain Rate in/h
0.00
ET in
0.01 0.00

Forecast

National Weather Service
This Afternoon

Mostly cloudy. High near 74, with temperatures falling to around 71 in the afternoon. North northwest wind around 8 mph.

7-Day and Hourly Forecast pages →

Downstream systems

Sun & moon

Sunrise
6:54 AM
tomorrow 6:55 AM
Sunset
7:08 PM
tomorrow 7:06 PM
First quarter
69% full
rises 4:06 PM · sets 12:40 AM
full moon Sep 26 · equinox Sep 22
lunar eclipse Aug 17, 2027 · penumbral

Twilight & daylight

Twilight BeginsEnds
Civillights off, horizon clear 6:28 AM 7:34 PM
Nauticalhorizon still visible at sea 5:58 AM 8:04 PM
Astronomicalthe last of the sky glow 5:27 AM 8:35 PM
Daylight 12 h 13 m 2 m 22 s shorter than yesterday
Solar noon 1:01 PM altitude 53.4°
More on the Celestial pages →