Sunnyvale, Texas Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Sunnyvale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Partly Cloudy——97°77°—
- SundayJul 5Overcast14%—97°76°0°
- MondayJul 6Light Showers——97°72°0°
- TuesdayJul 7Drizzle——101°73°+4°
- WednesdayJul 8Light Drizzle——104°75°+3°
- ThursdayJul 9Overcast——104°78°0°
- FridayJul 10Overcast——104°77°0°
AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.8 µg/m³ (AQI 32) with a 0.75 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.8 µg/m³ (AQI 32) with a 0.75 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.75
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:40 PM
- Moonset
- 11:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Sunnyvale at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: March 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 75182
16-Day Forecast — Sunnyvale
- Sat97°77°4%
- Sun97°76°14%
- Mon97°72°8%
- Tue101°73°7%
- Wed104°75°5%
- Thu104°78°0%
- Fri104°77°6%
- Sat98°78°11%
- Sun79°72°9%
- Mon84°70°6%
- Tue89°72°6%
- Wed97°74°4%
- Thu99°77°10%
- Fri100°77°10%
- Sat102°78°15%
- Sun102°75°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Sunnyvale
SPC has placed Sunnyvale in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Sunnyvale
- 75182