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Current  
Today's Highs/Lows
Sun & Moon
Temperature 50.5°F 
▲
Dewpoint 46.5°F Dry & Crisp
▲
Barometer 30.260 inHg High
▲
AQI 68 Moderate —PM2.5 18 µg/m³
▲
UV Index 0.0 Low
▲
Radiation 0 W/m² Dark/Nighttime
▲
CO2 497 ppm Moderately Elevated
▲
Rain Today
0.00 in
Rain Rate
0.00 in/h
24 Hour Rain
0.00 in
Humidity
86%
Wind
N
E
S
W
0 mph
 
 
WeatherBoard View
Tonight
NWS Forecast
Clear, with a low around 45. Northwest wind around 2 mph.
Temperature 69.8
38.5 		°F
Dew Point 53.5
36.4 		°F
Barometer 30.342
30.235 		inHg
AQI 89
17
PM 2.5 30
3 		µg/m³
UV Index 3.9
0.0
Radiation 517
0 		W/m²
CO2 573
418 		ppm
Rain 0.00 in
Rain Rate 0.00 in/h
Wind Max 9
52 		mph
°
Wind Average 1 mph
Wind RMS 1 mph
Vector Average
Average Direction 		1
49 		mph
°
Humidity 93
51 		%
Heat Index 69.0 °F
Wind Chill 38.5 °F
ET 0.01
0.00 		in
☀☽
Rise 07:09:24 AM   Rise 07:52:44 PM
Transit 12:22:15 PM   Transit 01:36:45 AM
Set 05:35:32 PM   Set 08:16:48 AM
Daylight 10:26   Full
94% full
Azimuth 281.3°   92.7°
Altitude -40.9°   11.9°
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

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