Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

48.0°F

▲

Dewpoint

44.6°F Dry & Crisp

▲

Barometer

29.999 inHg Normal

▲

AQI

24 Good

—PM2.5

4 µg/m³

▲

UV Index

0.0 Low

▲

Radiation

0 W/m² Dark/Nighttime

▲

CO₂	465 ppm Moderately Elevated

▲

Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
88%

Wind

0 mph

WeatherBoard

Overnight

NWS Forecast

Patchy fog. Partly cloudy, with a low around 49. South southeast wind around 2 mph.

Temperature	52.5 48.0	°F
Dew Point	46.9 44.5	°F
Barometer	30.036 29.995	inHg
AQI	33 21
PM 2.5	6 4	µg/m³
UV Index	0.0 0.0
Radiation	0 0	W/m²
CO₂	468 441	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	2 1	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 342	mph °
Humidity	88 81	%
Heat Index	51.3	°F
Wind Chill	48.0	°F
ET	0.00 0.00	in

Solstice	06/21/2026 01:24:31 AM
Equinox	09/22/2026 05:05:09 PM

Downstream Systems