Today
During the day clear, up to +90°, at night around +64°. Wind up to 7 mph. No precipitation expected.
Weather in Cupertino
United States · California · 37.3230, -122.0322
Today Now 7:15 AM
+66° Clear
Hourly forecast
Today10/17
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow clear, high +77°, low +52°, about 13° colder.
Week
During the week the thermometer stays between +50°…+90°. Peak warmth: Sat, +90°. Nighttime weekly low: +50° (Mon). Rain on Tue, Wed. Sunshine expected on 4 of seven days. Second half of the week is cooler.
Week vs norm
- Today 10/17 +90° +15° usually +74°
- Tomorrow 10/18 +77° +3° usually +74°
- Mon 10/19 +66° −7° usually +74°
- Tue 10/20 +66° −7° usually +73°
- Wed 10/21 +64° −9° usually +73°
- Thu 10/22 +68° −5° usually +73°
- Fri 10/23 +68° −4° usually +72°
- Sat 10/24 +52° −20° usually +72°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 17
Today is one of the warmest such days in three decades.
- Heat record +92° 2020
- Cold record +46° 1998
- Most precipitation 0.3 in 2016
- Strongest gust 35 mph 2019
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Cupertino
Today is about 15° warmer than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +58° / +43° | +49° | 4.8 |
| Feb | +60° / +44° | +51° | 4.9 |
| Mar | +62° / +46° | +53° | 3.9 |
| Apr | +66° / +47° | +55° | 1.7 |
| May | +71° / +51° | +59° | 0.9 |
| Jun | +76° / +54° | +64° | 0.2 |
| Jul | +80° / +57° | +67° | 0.0 |
| Aug | +81° / +58° | +67° | 0.1 |
| Sep | +80° / +58° | +67° | 0.1 |
| Oct | +75° / +54° | +63° | 1.2 |
| Nov | +65° / +47° | +55° | 2.3 |
| Dec | +58° / +43° | +49° | 4.7 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
7:18 AM | 6:27 PM
Moon
1:59 PM | 11:28 PM
Moon phase
Waxing crescent 42%
Next solar eclipse
Calculating for this city…