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Current  
Today's Highs/Lows
Sun & Moon
Temperature 34.9°F 
▲
Dewpoint 32.8°F Dry/Moisture Depleted
▲
Barometer 30.226 inHg High
▲
AQI 13 Good —PM2.5 2 µg/m³
▲
UV Index 0.0 Low
▲
Radiation 42 W/m² Dark/Nighttime
▲
CO2 574 ppm High (Polluted/Stagnant Air)
▲
Rain Today
0.00 in
Rain Rate
0.00 in/h
24 Hour Rain
0.00 in
Humidity
92%
Wind
N
E
S
W
↑
1 mph
W
(270°)
WeatherBoard View
Tuesday
NWS Forecast
Mostly cloudy. High near 59, with temperatures falling to around 56 in the afternoon. North wind around 5 mph.
Temperature 37.5
32.9 		°F
Dew Point 34.0
30.6 		°F
Barometer 30.226
30.175 		inHg
AQI 40
8
PM 2.5 7
1 		µg/m³
UV Index 0.0
0.0
Radiation 46
0 		W/m²
CO2 598
491 		ppm
Rain 0.00 in
Rain Rate 0.00 in/h
Wind Max 2
15 		mph
°
Wind Average 1 mph
Wind RMS 1 mph
Vector Average
Average Direction 		0
280 		mph
°
Humidity 92
86 		%
Heat Index 37.5 °F
Wind Chill 32.9 °F
ET 0.00
0.00 		in
☀☽
Rise 07:22:03 AM   Rise 01:22:47 PM
Transit 12:11:13 PM   Transit 08:53:45 PM
Set 05:00:29 PM   Set 03:18:06 AM
Daylight 09:38   Waxing gibbous
81% full
Azimuth 128.9°   0.2°
Altitude 9.5°   -32.0°
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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