Sumter County, FL Weather Forecast
County weather hub
Partly Cloudy
Compare major city weather across Sumter County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly cloudy, with a low around 74. East wind around 1 mph.
County Weather Overview
This county weather page brings together forecast coverage for Sumter County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Sumter County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Sep 4, 2026
- Latest sync
- Aug 29, 2026 3:33 AM EDT
- Forecast office
- TBW
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumter County
Saturday looks like the warmest upcoming period in Sumter County at 92 degrees F.
Overnight is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for Sunday at about 2 to 6 mph E.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 29, 2026 3:33 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- TBW
- Radar station
- KTBW
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Scattered showers and thunderstorms after noon. Mostly sunny. High near 92, with temperatures falling to around 88 in the afternoon. Heat index values as high as 103. East wind around 3 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 8pm, then scattered showers and thunderstorms between 8pm and 11pm. Partly cloudy, with a low around 74. Heat index values as high as 97. East northeast wind around 3 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 102. East wind 2 to 6 mph. Chance of precipitation is 50%.
Widespread showers and thunderstorms before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 74. East wind around 5 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. East northeast wind around 5 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 74. East northeast wind 1 to 5 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. East northeast wind 2 to 6 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. East northeast wind around 3 mph. Chance of precipitation is 70%.
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 50%.
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%.
Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 40%.
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 29
|
Partly Cloudy
|
74°F |
1 mph
E
|
|
Saturday
Aug 29
|
Mostly Sunny then Scattered Showers And Thunderstorms
|
92°F |
3 mph
E
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
3 mph
ENE
|
|
Sunday
Aug 30
|
Mostly Sunny then Scattered Showers And Thunderstorms
|
91°F |
2 to 6 mph
E
|
|
Sunday Night
Aug 30
|
Widespread Showers And Thunderstorms then Isolated Showers And Thunderstorms
|
74°F |
5 mph
E
|
|
Monday
Aug 31
|
Mostly Sunny then Chance Showers And Thunderstorms
|
91°F |
5 mph
ENE
|
|
Monday Night
Aug 31
|
Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms
|
74°F |
1 to 5 mph
ENE
|
|
Tuesday
Sep 1
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
2 to 6 mph
ENE
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
3 mph
ENE
|
|
Wednesday
Sep 2
|
Mostly Sunny then Scattered Showers And Thunderstorms
|
92°F |
2 to 6 mph
ENE
|
|
Wednesday Night
Sep 2
|
Scattered Showers And Thunderstorms then Partly Cloudy
|
74°F |
1 to 5 mph
E
|
|
Thursday
Sep 3
|
Mostly Sunny then Scattered Showers And Thunderstorms
|
92°F |
2 to 6 mph
ENE
|
|
Thursday Night
Sep 3
|
Scattered Showers And Thunderstorms then Partly Cloudy
|
74°F |
3 mph
E
|
|
Friday
Sep 4
|
Mostly Sunny then Scattered Showers And Thunderstorms
|
92°F |
5 mph
ENE
|
Major City Forecasts
Live forecast snapshots for major cities across Sumter County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Sumter County.
Largest mapped city population in this region: 51,442.
