Sylvester, Texas Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sylvester weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——98°78°—
- SundayJul 5Overcast33%—101°78°+3°
- MondayJul 6Drizzle33%—101°73°0°
- TuesdayJul 7Partly Cloudy——103°74°+2°
- WednesdayJul 8Overcast——105°80°+2°
- ThursdayJul 9Partly Cloudy——106°81°+1°
- FridayJul 10Overcast——104°79°-2°
AQI 34 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 5.5 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.
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 5.5 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.74
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:27 PM
- Moonset
- 10:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Sylvester at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: March 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 79560
16-Day Forecast — Sylvester
- Sat98°78°1%
- Sun101°78°33%
- Mon101°73°33%
- Tue103°74°8%
- Wed105°80°8%
- Thu106°81°1%
- Fri104°79°6%
- Sat105°79°6%
- Sun107°77°6%
- Mon108°78°3%
- Tue108°81°3%
- Wed113°85°4%
- Thu101°85°11%
- Fri97°71°17%
- Sat83°71°18%
- Sun93°69°26%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Sylvester
SPC includes Sylvester in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Sylvester
- 79560