Tomball, Texas Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
Tomball weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Thunderstorm73%0.55″81°76°—
- TuesdayJun 16Heavy Showers67%1.6″81°76°0°
- WednesdayJun 17T-storm w/ Hail42%2.7″82°73°+1°
- ThursdayJun 18Thunderstorm35%—91°77°+9°
- FridayJun 19T-storm w/ Hail46%—95°80°+4°
- SaturdayJun 20T-storm w/ Hail34%—88°78°-7°
- SundayJun 21Overcast——90°78°+2°
AQI 42 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM scrubbed by 5 hours of recent rain — PM2.5 down to 9.1 µg/m³, PM10 to 10.4 µg/m³.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM scrubbed by 5 hours of recent rain — PM2.5 down to 9.1 µg/m³, PM10 to 10.4 µg/m³.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 5h in last 6h
- Pattern
- washed out
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:33 AM
- Moonset
- 8:33 PM
- In sign
- ♊︎ Gemini
Sun climbs to its northern throne
Tomball at a glance
- Today vs. normal: 6°F below the seasonal normal for this latitude
- Last frost: February 16 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Tomball
- Mon81°76°73%
- Tue81°76°67%
- Wed82°73°42%
- Thu91°77°35%
- Fri95°80°46%
- Sat88°78°34%
- Sun90°78°8%
- Mon91°77°6%
- Tue93°78°19%
- Wed94°77°17%
- Thu96°76°14%
- Fri96°76°30%
- Sat96°76°32%
- Sun94°74°32%
- Mon95°75°24%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Tomball
SPC has placed Tomball in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- 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 Tomball
- 77375
- 77377