Palo Alto Weather Current Conditions

Current

Today's Highs/Lows

Sun & Moon

Temperature

78.1°F

▲

Dewpoint

57.4°F Comfortable

▲

Barometer

30.040 inHg Normal

▲

AQI

14 Good

—PM2.5

3 µg/m³

▲

UV Index

4.6 Moderate

▲

Radiation

468 W/m² Moderate

▲

CO₂	421 ppm Normal Background (Excellent)

▲

Rain Today

0.00 in

Rain Rate
0.00 in/h

24 Hour Rain

0.00 in

Humidity
49%

Wind

↑

3 mph
NNW
(338°)

WeatherBoard

This Afternoon

NWS Forecast

Mostly sunny. High near 74, with temperatures falling to around 71 in the afternoon. Northwest wind 9 to 13 mph, with gusts as high as 20 mph.

Temperature	79.5 46.1	°F
Dew Point	59.9 38.8	°F
Barometer	30.104 30.037	inHg
AQI	23 12
PM 2.5	4 2	µg/m³
UV Index	7.4 0.0
Radiation	728 0	W/m²
CO₂	492 403	ppm
Rain	0.00	in
Rain Rate	0.00	in/h
Wind Max	13 340	mph °
Wind Average	1	mph
Wind RMS	2	mph
Vector Average Average Direction	1 11	mph °
Humidity	77 48	%
Heat Index	79.5	°F
Wind Chill	46.1	°F
ET	0.02 0.00	in

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

Downstream Systems