Denison, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Denison, TX in one place.
Mostly sunny. High near 91, with temperatures falling to around 89 in the afternoon. Heat index values as high as 100. South wind around 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Denison, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 12, 2026 12:19 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Denison, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 12:19 AM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Denison
Tuesday looks like the warmest upcoming period in Denison at 91 degrees F.
Saturday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph N.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 12:19 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FWD
- Radar station
- KFWS
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 76. South wind around 10 mph.
A chance of showers and thunderstorms after 7am. Mostly sunny. High near 91, with temperatures falling to around 89 in the afternoon. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South southeast wind 5 to 10 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northeast wind 5 to 10 mph. Chance of precipitation is 50%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 73. Chance of precipitation is 20%.
Partly cloudy, with a low around 53.
Sunny, with a high near 68.
Mostly clear, with a low around 49.
Sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
91°F |
10 mph
S
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
76°F |
10 mph
S
|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms
|
91°F |
10 mph
S
|
|
Wednesday Night
Oct 14
|
Chance Showers And Thunderstorms
|
72°F |
5 to 10 mph
SSE
|
|
Thursday
Oct 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
84°F |
5 to 10 mph
SSW
|
|
Thursday Night
Oct 15
|
Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
NNE
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Partly Sunny
|
73°F |
15 to 20 mph
N
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
53°F |
10 to 20 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
68°F |
5 to 10 mph
NNE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
49°F |
0 to 5 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
73°F |
5 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Denison.
