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Current  
Today's Highs/Lows
Sun & Moon
Temperature 64.2°F 
Dewpoint 51.8°F Dry and Very Comfortable
Barometer 29.957 inHg Normal
AQI 28 Good —PM2.5 5 µg/m³
UV Index 1.8 Low
Radiation 163 W/m² Low
CO2 406 ppm Normal Background (Excellent)
Rain Today
0.00 in
Rain Rate
0.00 in/h
24 Hour Rain
0.05 in
Humidity
64%
Wind
N
E
S
W
3 mph
SW
(225°)
WeatherBoard View
Wednesday
NWS Forecast
Rain likely after 9am. Partly sunny. High near 67, with temperatures falling to around 64 in the afternoon. South southwest wind 3 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Temperature 65.8
55.5
°F
Dew Point 55.0
51.0
°F
Barometer 29.958
29.887
inHg
AQI 32
19
PM 2.5 6
3
µg/m³
UV Index 5.2
0.0
Radiation 478
0
W/m²
CO2 468
396
ppm
Rain 0.00 in
Rain Rate 0.00 in/h
Wind Max 8
233
mph
°
Wind Average 0 mph
Wind RMS 1 mph
Vector Average
Average Direction
0
235
mph
°
Humidity 92
61
%
Heat Index 65.0 °F
Wind Chill 55.5 °F
ET 0.01
0.00
in
Rise 06:53:24 AM   Rise 07:31:56 PM
Transit 01:12:10 PM   Transit 12:35:39 AM
Set 07:31:34 PM   Set 06:31:57 AM
Daylight 12:38   Full
100% full
Azimuth 138.2°   323.6°
Altitude 49.9°   -53.4°
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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