What is the weather in Sunnyvale right now?

Current weather in Sunnyvale is scattered clouds.

Where can I find the hourly weather forecast for Sunnyvale?

This page shows hourly weather forecast for Sunnyvale, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Sunnyvale updated regularly?

Weather data for Sunnyvale is updated regularly with the latest available observations and forecasts.

Now · 5:39 AM

Sunnyvale Weather & Hourly Forecast

United States · Texas · 75182

81°F

Partly cloudy night

Feels like: 84°F

💧 Humidity 70% 🌡 Pressure 29.97 inHg 💨 Wind 6 mph 👁 Visibility 6.2 mi ☁ Clouds 26% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:01 AM 🌇 Sunset 7:51 PM

Hourly Forecast for Sunnyvale

Today

6:00 AM

Partly cloudy night

81° 💧 None 💨 6 mph H 70%29.97 inHg

9:00 AM

Mostly sunny

83° 💧 None 💨 7 mph H 62%30.00 inHg

12:00 PM

Sunny

97° 💧 None 💨 6 mph H 35%29.97 inHg

3:00 PM

Mostly cloudy

101° 💧 None 💨 8 mph H 26%29.88 inHg

6:00 PM

Mostly cloudy

94° 💧 0.00 in 💨 16 mph H 34%29.85 inHg

9:00 PM

Mostly cloudy night

89° 💧 None 💨 9 mph H 42%29.88 inHg

Tomorrow

12:00 AM

Mostly cloudy night

84° 💧 None 💨 11 mph H 53%29.91 inHg

3:00 AM

Clear night

82° 💧 None 💨 11 mph H 62%29.94 inHg

6:00 AM

Mostly clear night

77° 💧 None 💨 5 mph H 71%29.94 inHg

9:00 AM

Sunny

84° 💧 None 💨 6 mph H 63%29.97 inHg

12:00 PM

Sunny

95° 💧 None 💨 15 mph H 40%29.94 inHg

3:00 PM

Mostly cloudy

91° 💧 None 💨 17 mph H 59%29.91 inHg

6:00 PM

Overcast

84° 💧 0.01 in 💨 17 mph H 70%29.91 inHg

9:00 PM

Light rain

76° 💧 0.06 in 💨 11 mph H 91%29.91 inHg

Thursday

12:00 AM

Overcast night

76° 💧 None 💨 15 mph H 91%29.94 inHg

3:00 AM

Light rain

75° 💧 0.09 in 💨 10 mph H 88%29.94 inHg

Today

6:00 AM

Partly cloudy night

81° 💧 None 💨 6 mph H 70%29.97 inHg

7:00 AM

Partly cloudy night

80° 💧 None 💨 6 mph H 69%29.97 inHg

8:00 AM

Mostly sunny

81° 💧 None 💨 6 mph H 67%29.97 inHg

9:00 AM

Mostly sunny

83° 💧 None 💨 7 mph H 62%30.00 inHg

10:00 AM

Mostly sunny

87° 💧 None 💨 6 mph H 55%30.00 inHg

11:00 AM

Sunny

94° 💧 None 💨 6 mph H 42%30.00 inHg

12:00 PM

Sunny

97° 💧 None 💨 6 mph H 35%29.97 inHg

1:00 PM

Sunny

99° 💧 None 💨 7 mph H 30%29.94 inHg

2:00 PM

Partly cloudy

100° 💧 None 💨 7 mph H 26%29.91 inHg

3:00 PM

Mostly cloudy

101° 💧 None 💨 8 mph H 26%29.88 inHg

4:00 PM

Mostly cloudy

100° 💧 None 💨 12 mph H 28%29.85 inHg

5:00 PM

Mostly cloudy

98° 💧 None 💨 10 mph H 28%29.85 inHg

6:00 PM

Mostly cloudy

94° 💧 None 💨 16 mph H 34%29.85 inHg

7:00 PM

Light rain

91° 💧 0.00 in 💨 9 mph H 40%29.85 inHg

8:00 PM

Overcast night

91° 💧 None 💨 8 mph H 40%29.88 inHg

9:00 PM

Mostly cloudy night

89° 💧 None 💨 9 mph H 42%29.88 inHg

10:00 PM

Mostly cloudy night

88° 💧 None 💨 13 mph H 44%29.91 inHg

11:00 PM

Mostly cloudy night

85° 💧 None 💨 13 mph H 50%29.94 inHg

Tomorrow

12:00 AM

Mostly cloudy night

84° 💧 None 💨 11 mph H 53%29.91 inHg

1:00 AM

Mostly cloudy night

83° 💧 None 💨 11 mph H 56%29.94 inHg

2:00 AM

Clear night

82° 💧 None 💨 10 mph H 59%29.94 inHg

3:00 AM

Clear night

82° 💧 None 💨 11 mph H 62%29.94 inHg

4:00 AM

Clear night

81° 💧 None 💨 9 mph H 66%29.94 inHg

5:00 AM

Mostly clear night

79° 💧 None 💨 6 mph H 69%29.94 inHg

6:00 AM

Mostly clear night

77° 💧 None 💨 5 mph H 71%29.94 inHg

7:00 AM

Mostly clear night

77° 💧 None 💨 4 mph H 72%29.94 inHg

8:00 AM

Sunny

80° 💧 None 💨 4 mph H 69%29.97 inHg

9:00 AM

Sunny

84° 💧 None 💨 6 mph H 63%29.97 inHg

10:00 AM

Sunny

87° 💧 None 💨 10 mph H 55%29.97 inHg

11:00 AM

Sunny

91° 💧 None 💨 12 mph H 47%29.97 inHg

12:00 PM

Sunny

95° 💧 None 💨 15 mph H 40%29.94 inHg

1:00 PM

Sunny

97° 💧 None 💨 17 mph H 38%29.91 inHg

2:00 PM

Mostly cloudy

96° 💧 None 💨 21 mph H 43%29.88 inHg

3:00 PM

Mostly cloudy

91° 💧 None 💨 17 mph H 59%29.91 inHg

4:00 PM

Mostly cloudy

88° 💧 None 💨 15 mph H 60%29.88 inHg

5:00 PM

Mostly cloudy

87° 💧 None 💨 17 mph H 57%29.88 inHg

6:00 PM

Overcast

84° 💧 None 💨 17 mph H 70%29.91 inHg

7:00 PM

Light rain

77° 💧 0.01 in 💨 14 mph H 84%29.91 inHg

8:00 PM

Overcast night

76° 💧 None 💨 13 mph H 86%29.91 inHg

9:00 PM

Light rain

76° 💧 0.03 in 💨 11 mph H 91%29.91 inHg

10:00 PM

Light rain

75° 💧 0.03 in 💨 13 mph H 92%29.94 inHg

11:00 PM

Overcast night

76° 💧 None 💨 15 mph H 90%29.94 inHg

Thursday

12:00 AM

Overcast night

76° 💧 None 💨 15 mph H 91%29.94 inHg

1:00 AM

Overcast night

76° 💧 None 💨 13 mph H 88%29.94 inHg

2:00 AM

Overcast night

76° 💧 None 💨 12 mph H 87%29.94 inHg

3:00 AM

Light rain

75° 💧 0.01 in 💨 10 mph H 88%29.94 inHg

4:00 AM

Light rain

75° 💧 0.03 in 💨 9 mph H 91%29.91 inHg

5:00 AM

Moderate rain

75° 💧 0.04 in 💨 8 mph H 93%29.91 inHg

6:00 AM

Light rain

76° 💧 0.01 in 💨 9 mph H 89%29.91 inHg

7:00 AM

Overcast night

77° 💧 None 💨 11 mph H 86%29.91 inHg

8:00 AM

Overcast

77° 💧 None 💨 12 mph H 87%29.94 inHg

9:00 AM

Overcast

77° 💧 None 💨 14 mph H 87%29.97 inHg

10:00 AM

Overcast

76° 💧 None 💨 15 mph H 87%29.97 inHg

11:00 AM

Overcast

78° 💧 None 💨 17 mph H 81%29.97 inHg

12:00 PM

Overcast

81° 💧 None 💨 19 mph H 72%29.97 inHg

1:00 PM

Overcast

79° 💧 None 💨 17 mph H 74%29.97 inHg

2:00 PM

Overcast

81° 💧 None 💨 17 mph H 67%29.94 inHg

3:00 PM

Overcast

81° 💧 None 💨 17 mph H 68%29.94 inHg

4:00 PM

Overcast

78° 💧 None 💨 13 mph H 76%29.91 inHg

5:00 PM

Overcast

79° 💧 None 💨 13 mph H 75%29.91 inHg

6:00 PM

Mostly cloudy

80° 💧 None 💨 15 mph H 71%29.88 inHg

7:00 PM

Mostly cloudy

78° 💧 None 💨 14 mph H 76%29.88 inHg

8:00 PM

Clear night

75° 💧 None 💨 12 mph H 82%29.88 inHg

9:00 PM

Clear night

74° 💧 None 💨 9 mph H 84%29.91 inHg

10:00 PM

Clear night

74° 💧 None 💨 8 mph H 84%29.94 inHg

11:00 PM

Clear night

74° 💧 None 💨 8 mph H 85%29.91 inHg

Friday

12:00 AM

Clear night

73° 💧 None 💨 7 mph H 85%29.91 inHg

1:00 AM

Clear night

74° 💧 None 💨 6 mph H 83%29.91 inHg

2:00 AM

Clear night

74° 💧 None 💨 6 mph H 83%29.91 inHg

3:00 AM

Clear night

74° 💧 None 💨 6 mph H 80%29.91 inHg

4:00 AM

Clear night

74° 💧 None 💨 7 mph H 78%29.91 inHg

5:00 AM

Clear night

73° 💧 None 💨 6 mph H 80%29.91 inHg

6:00 AM

Clear night

74° 💧 None 💨 6 mph H 83%29.91 inHg

7:00 AM

Clear night

74° 💧 None 💨 6 mph H 86%29.91 inHg

8:00 AM

Mostly cloudy

76° 💧 None 💨 7 mph H 83%29.94 inHg

9:00 AM

Mostly cloudy

79° 💧 None 💨 11 mph H 75%29.94 inHg

10:00 AM

Mostly cloudy

82° 💧 None 💨 13 mph H 66%29.97 inHg

11:00 AM

Mostly cloudy

81° 💧 None 💨 13 mph H 61%29.97 inHg

12:00 PM

Overcast

83° 💧 None 💨 13 mph H 57%29.97 inHg

1:00 PM

Mostly cloudy

88° 💧 None 💨 13 mph H 48%29.94 inHg

2:00 PM

Sunny

91° 💧 None 💨 12 mph H 43%29.91 inHg

3:00 PM

Sunny

93° 💧 None 💨 12 mph H 39%29.88 inHg

4:00 PM

Sunny

94° 💧 None 💨 12 mph H 36%29.85 inHg

5:00 PM

Sunny

94° 💧 None 💨 13 mph H 35%29.85 inHg

6:00 PM

Sunny

92° 💧 None 💨 14 mph H 36%29.85 inHg

7:00 PM

Sunny

89° 💧 None 💨 13 mph H 42%29.88 inHg

8:00 PM

Clear night

85° 💧 None 💨 9 mph H 51%29.88 inHg

9:00 PM

Clear night

83° 💧 None 💨 8 mph H 57%29.88 inHg

10:00 PM

Clear night

81° 💧 None 💨 8 mph H 60%29.88 inHg

11:00 PM

Clear night

81° 💧 None 💨 8 mph H 61%29.88 inHg

Saturday

12:00 AM

Clear night

79° 💧 None 💨 7 mph H 65%29.88 inHg

1:00 AM

Clear night

79° 💧 None 💨 6 mph H 67%29.88 inHg

2:00 AM

Clear night

78° 💧 None 💨 6 mph H 69%29.91 inHg

3:00 AM

Clear night

78° 💧 None 💨 6 mph H 70%29.88 inHg

4:00 AM

Clear night

77° 💧 None 💨 6 mph H 69%29.88 inHg

5:00 AM

Clear night

77° 💧 None 💨 6 mph H 69%29.91 inHg

In Sunnyvale and, more broadly, across the state of Texas: Clear skies tonight with temperatures remaining very hot, ranging from 93 to 96 degrees Fahrenheit. Winds will be noticeable, coming from the southeast at up to 19 mph, with gusts reaching 29 mph. No precipitation is expected during the evening hours, so conditions will remain dry. The combination of high temperatures and breezy winds may create a muggy and uncomfortable evening, especially for outdoor activities. It's advisable to stay hydrated and take precautions against heat exhaustion if you plan to be outside. The wind may also cause some light breezes to persist into the early night, but no significant weather disturbances are anticipated.

15-Day Weather Outlook for Sunnyvale

TomorrowTomorrow

Light rain 97°/75° 💧 0.07 in 💨 21 mph

Thursday, Sep 3Thu Sep 3

Moderate rain 81°/74° 💧 0.09 in 💨 19 mph

Friday, Sep 4Fri Sep 4

Mostly cloudy 94°/73° 💧 None 💨 13 mph

Saturday, Sep 5Sat Sep 5

Sunny 98°/75° 💧 None 💨 12 mph

Sunday, Sep 6Sun Sep 6

Sunny 102°/80° 💧 None 💨 10 mph

Monday, Sep 7Mon Sep 7

Sunny 105°/83° 💧 None 💨 14 mph

Tuesday, Sep 8Tue Sep 8

Mostly cloudy 105°/84° 💧 None 💨 18 mph

Wednesday, Sep 9Wed Sep 9

Sunny 104°/83° 💧 None 💨 15 mph

Thursday, Sep 10Thu Sep 10

Sunny 105°/83° 💧 None 💨 17 mph

Friday, Sep 11Fri Sep 11

Sunny 104°/81° 💧 None 💨 18 mph

Saturday, Sep 12Sat Sep 12

Sunny 104°/80° 💧 None 💨 14 mph

Sunday, Sep 13Sun Sep 13

Sunny 104°/81° 💧 None 💨 16 mph

Monday, Sep 14Mon Sep 14

Sunny 103°/82° 💧 None 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Sunny 104°/82° 💧 None 💨 11 mph

Wednesday, Sep 16Wed Sep 16

Light rain 106°/85° 💧 0.01 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sunnyvale

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sunnyvale

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 6:00 AM

PM2.5 Fine particles Good 3,3µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,0µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 61,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,4µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Sunnyvale

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 9,3Very high 🙂Fair

Tomorrow UV 6,6High 🙂Fair

Thursday UV 2,3Low 🙂Fair

Friday UV 9,6Very high 🙂Fair

Saturday UV 8,0Very high 🙂Fair

Sunday UV 8,0Very high —Unavailable

Monday UV 9,0Very high —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,3 10:00 AMUV 3,2 11:00 AMUV 5,7 12:00 PMUV 7,9 1:00 PMUV 9,3 2:00 PMUV 9,3 3:00 PMUV 4,5 4:00 PMUV 1,6 5:00 PMUV 0,8 6:00 PMUV 0,8

Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Sunnyvale

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 4.05 Population: 8,336

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Forecast data for Sunnyvale were last refreshed today at 5:39 AM. The current forecast period extends through 03/09/2026 at 3:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.