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Current  
Today's Highs/Lows
Sun & Moon
Temperature 47.5°F 
Dewpoint 45.3°F Dry & Crisp
Barometer 30.115 inHg Normal
AQI 6 Good —PM2.5 1 µg/m³
UV Index 0.0 Low
Radiation 0 W/m² Dark/Nighttime
CO2 431 ppm Slightly Elevated (Typical Urban)
Rain Today
0.00 in
Rain Rate
0.00 in/h
24 Hour Rain
0.17 in
Humidity
92%
Wind
N
E
S
W
0 mph
 
 
WeatherBoard View
Overnight
NWS Forecast
A chance of rain before 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 48. South southeast wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Temperature 49.6
47.5
°F
Dew Point 46.8
45.2
°F
Barometer 30.118
30.100
inHg
AQI 11
5
PM 2.5 2
1
µg/m³
UV Index 0.0
0.0
Radiation 0
0
W/m²
CO2 474
424
ppm
Rain 0.00 in
Rain Rate 0.00 in/h
Wind Max 3
248
mph
°
Wind Average 0 mph
Wind RMS 0 mph
Vector Average
Average Direction
0
273
mph
°
Humidity 92
90
%
Heat Index 48.5 °F
Wind Chill 47.5 °F
ET 0.00
0.00
in
Rise 06:23:42 AM   Rise 10:41:39 AM
Transit 01:06:52 PM   Transit 06:30:26 PM
Set 07:50:38 PM   Set 01:21:35 AM
Daylight 13:26   Waxing crescent
32% full
Azimuth 42.4°   327.9°
Altitude -29.4°   -18.5°
Solstice 06/21/2026 01:24:31 AM
Equinox 09/22/2026 05:05:09 PM
Downstream Systems
NWS FW4751
Synoptic 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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