SUNNYVALE, CA 94089 Weather Forecast & Current Conditions

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MOUNTAIN VIEW NAS, CA
Current Weather

4:15 AM PST DEC 14, 2025
Overcast
Mist
46°F
Feels Like: 46°F
Dewpoint: 46°F
Rel. Hum.: 100%
Visibility: 4 miles
Wind: Calm
Pressure: 30.11 inches
Last 72 hours

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SUNNYVALE, CA 94089
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Partly cloudy. Areas of fog. Lows in the mid 40s. Northwest winds around 5 mph.
SUNDAY
Partly cloudy in the morning then becoming sunny. Patchy dense fog in the morning. Highs in the upper 50s. Northwest winds around 5 mph.
SUNDAY NIGHT
Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 40s. Northwest winds 5 to 10 mph.
MONDAY
Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the mid 60s. Northwest winds 5 to 10 mph.
MONDAY NIGHT
Partly cloudy in the evening then becoming mostly cloudy. Areas of fog after midnight. Lows around 50. Northwest winds 5 to 10 mph.
TUESDAY
Mostly cloudy. Highs in the upper 60s.
TUESDAY NIGHT
Mostly cloudy. Areas of fog. A chance of rain. Lows in the mid 50s.
WEDNESDAY
Cloudy in the morning then becoming partly cloudy. Patchy fog. A chance of rain. Highs in the mid 60s.
WEDNESDAY NIGHT
Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the upper 40s.
THURSDAY
Mostly cloudy in the morning then becoming partly cloudy. Patchy fog. A slight chance of rain. Highs in the lower 60s.
THURSDAY NIGHT
Mostly cloudy. A chance of rain. Lows around 50.
FRIDAY
Rain likely. Highs in the lower 60s.
FRIDAY NIGHT
Rain likely. Lows in the lower 50s.

Visible Weather Satellite
SUNNYVALE, CA 94089
Infrared Weather Satellite
SUNNYVALE, CA 94089
NEXRAD Weather Radar
SUNNYVALE, CA 94089

MOUNTAIN VIEW NAS, CA 3 hourly weather forecast

weather forecast created  7:00 PM EST 12/13/2025
Sunday
14 DEC 2025
SUNNYVALE, CA 94089 weather forecast Day 1, 0 hours 10 PM 48° 47° Clear 1%

0% Thunder
( 0% severe)
S   1 86% 44°
Low 43° SUNNYVALE, CA 94089 weather forecast Day 1, 3 hours 1 AM 45° 44° Partly Cloudy   CALM 96% 44°
High 59° SUNNYVALE, CA 94089 weather forecast Day 1, 6 hours 4 AM 44° 43° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 96% 43°

Mostly Cloudy



SUNNYVALE, CA 94089 weather forecast Day 1, 9 hours 7 AM 44° 43° Mostly Cloudy ESE   1 96% 43°
SUNNYVALE, CA 94089 weather forecast Day 1, 12 hours 10 AM 48° 47° Mostly Cloudy 0%

0% Thunder
( 0% severe)
E   1 93% 46°
SUNNYVALE, CA 94089 weather forecast Day 1, 15 hours 1 PM 56° 56° Partly Cloudy NNW   2 72% 47°
SUNNYVALE, CA 94089 weather forecast Day 1, 18 hours 4 PM 56° 56° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   2 74% 48°
SUNNYVALE, CA 94089 weather forecast Day 1, 21 hours 7 PM 51° 51° Partly Cloudy WNW   1 86% 47°
Monday
15 DEC 2025
SUNNYVALE, CA 94089 weather forecast Day 2, 0 hours 10 PM 48° 47° Partly Cloudy 1%

0% Thunder
( 0% severe)
W   1 89% 45°
Low 44° SUNNYVALE, CA 94089 weather forecast Day 2, 3 hours 1 AM 46° 45° Mostly Cloudy   CALM 93% 44°
High 61° SUNNYVALE, CA 94089 weather forecast Day 2, 6 hours 4 AM 44° 43° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 96% 43°

Mostly Cloudy



SUNNYVALE, CA 94089 weather forecast Day 2, 9 hours 7 AM 45° 44° Mostly Cloudy ENE   1 93% 43°
SUNNYVALE, CA 94089 weather forecast Day 2, 12 hours 10 AM 50° 50° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   2 83% 45°
SUNNYVALE, CA 94089 weather forecast Day 2, 15 hours 1 PM 58° 58° Partly Cloudy NNW   3 64% 46°
SUNNYVALE, CA 94089 weather forecast Day 2, 18 hours 4 PM 59° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   3 64% 47°
SUNNYVALE, CA 94089 weather forecast Day 2, 21 hours 7 PM 54° 54° Partly Cloudy   CALM 80% 48°

MOUNTAIN VIEW NAS, CA extended weather forecast

Tuesday
16 DEC 2025
Wednesday
17 DEC 2025
Thursday
18 DEC 2025
Friday
19 DEC 2025
Saturday
20 DEC 2025
Low 54° Low 56° Low 43° Low 49° Low 51°
High 67° High 58° High 65° High 63° High 63°
SUNNYVALE, CA 94089 weather forecast Day 3 SUNNYVALE, CA 94089 weather forecast Day 4 SUNNYVALE, CA 94089 weather forecast Day 5 SUNNYVALE, CA 94089 weather forecast Day 6 SUNNYVALE, CA 94089 weather forecast Day 7
Mostly Cloudy
10% Rain
Overcast
64% Rain
Partly Cloudy
11% Rain
Mostly Cloudy
28% Rain
Overcast
51% Rain
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