Denison, Texas Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Denison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Drizzle23%0.03″97°70°—
- MondayJul 6Overcast——94°72°-3°
- TuesdayJul 7Clear——97°72°+3°
- WednesdayJul 8Clear——100°77°+3°
- ThursdayJul 9Clear——102°80°+2°
- FridayJul 10Clear——100°79°-2°
- SaturdayJul 11Overcast15%—99°79°-1°
AQI 40 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 7.4 µg/m³, PM10 at 9.2 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 7.4 µg/m³, PM10 at 9.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.80
- Wind
- breezy
- Recent rain
- 1h 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
- 11:41 PM
- Moonset
- 11:42 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Denison at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: March 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 75020, 75021
15-Day Forecast — Denison
- Sun97°72°23%
- Mon94°72°8%
- Tue97°72°3%
- Wed100°77°4%
- Thu102°80°1%
- Fri100°79°6%
- Sat99°79°15%
- Sun99°70°6%
- Mon97°71°5%
- Tue102°77°4%
- Wed108°79°4%
- Thu102°75°7%
- Fri102°71°23%
- Sat92°70°11%
- Sun91°73°13%
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 — Denison
SPC has placed Denison in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Denison
- 75020