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Current  
Today's Highs/Lows
Sun & Moon
Temperature 89.6°F 
Dewpoint 60.6°F Noticable, but Ok for Most
Barometer 29.962 inHg Normal
AQI 32 Good —PM2.5 6 µg/m³
UV Index 9.4 Very High
Radiation 803 W/m² High
CO2 489 ppm Moderately Elevated
Rain Today
0.00 in
Rain Rate
0.00 in/h
24 Hour Rain
0.00 in
Humidity
38%
Wind
N
E
S
W
1 mph
NE
(45°)
Today
NWS Forecast
Sunny. High near 88, with temperatures falling to around 86 in the afternoon. North northwest wind 3 to 10 mph.
Temperature 89.6
59.8
°F
Dew Point 67.7
56.5
°F
Barometer 29.989
29.950
inHg
AQI 45
21
PM 2.5 8
4
µg/m³
UV Index 9.4
0.0
Radiation 805
0
W/m²
CO2 538
455
ppm
Rain 0.00 in
Rain Rate 0.00 in/h
Wind Max 4
6
mph
°
Wind Average 0 mph
Wind RMS 1 mph
Vector Average
Average Direction
0
43
mph
°
Humidity 92
34
%
Heat Index 89.5 °F
Wind Chill 59.8 °F
ET 0.02
0.00
in
Sunrise
5:59 AM
tomorrow 5:59 AM
Sunset
8:29 PM
tomorrow 8:28 PM
New
0% full
rises 6:05 AM · sets 9:11 PM
full moon Jul 29 · equinox Sep 22
More on the Celestial pages →
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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