Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

66.5°F

▲

Dewpoint

57.2°F Comfortable

▲

Barometer

29.936 inHg Normal

▲

AQI

17 Good

—PM2.5

3 µg/m³

▲

UV Index

4.8 Moderate

▲

Radiation

470 W/m² Moderate

▲

CO₂	404 ppm Normal Background (Excellent)

▲

Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
72%

Wind

↑

1 mph
ESE
(112°)

WeatherBoard

Sunday

NWS Forecast

Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. North wind 1 to 9 mph.

Temperature	66.5 55.0	°F
Dew Point	57.2 50.1	°F
Barometer	29.973 29.924	inHg
AQI	20 7
PM 2.5	4 1	µg/m³
UV Index	5.8 0.0
Radiation	670 0	W/m²
CO₂	410 350	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	4 40	mph °
Wind Average	0	mph
Wind RMS	0	mph
Vector Average Average Direction	0 353	mph °
Humidity	85 71	%
Heat Index	66.2	°F
Wind Chill	55.0	°F
ET	0.01 0.00	in

Equinox	09/22/2026 05:05:09 PM
Solstice	12/21/2026 12:49:59 PM

Downstream Systems