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Current  
Today's Highs/Lows
Sun & Moon
AQI 23 Good —PM2.5 4 µg/m³
UV Index 0.0 Low
Temperature
63.2°F
Dew Point
57.9°F
Rain Today
0.00 in
Rain Rate
0.00 in/h
Wind
0 mph
 
 
Humidity
83%
Heat Index
63.1°F
Wind Chill
63.2°F
24 Hour Rain
 
Radiation
0 W/m²
ET
0.00 in
Barometer
29.883 inHg

WeatherBoard View
Tonight
NWS Forecast
Partly cloudy, with a low around 63. Northwest wind 5 to 9 mph.
AQI 64
18
PM 2.5 16
3
µg/m³
UV Index 6.6
0.0
Temperature 79.3
55.3
°F
Rain 0.00 in
Rain Rate 0.00 in/h
Wind Max 13
51
mph
°
Wind Average 1 mph
Wind RMS 2 mph
Vector Average
Average Direction
0
61
mph
°
Radiation 642
0
W/m²
Barometer 29.889
29.803
inHg
Dew Point 64.0
53.0
°F
Humidity 93
55
%
Heat Index 79.6 °F
Wind Chill 55.3 °F
ET 0.02
0.00
in
Rise 07:00:38 AM   Rise 12:48:28 PM
Transit 12:59:14 PM   Transit 05:24:42 PM
Set 06:57:15 PM   Set 09:58:17 PM
Daylight 11:56   First quarter
34% full
Azimuth 322.9°   245.6°
Altitude -48.6°   -15.2°
Solstice 12/21/2025 07:02:51 AM
Equinox 03/20/2026 07:45:53 AM
Downstream Systems
NWS FW4751
MesoWest F4751
PurpleAir PaloAltoWeather.com
APRS/CWOP F4751
UK Met Office PaloAltoWeather.com
Windy f0634ec3
Weather Under. KCAPALOA156
WeatherCloud PaloAltoWeather.com
AWEKAS 16242
PWS PALOALTOCA

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