Keystone, FL Weather Forecast

Local 7-day forecast

92°
F

Mostly Sunny then Scattered Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Keystone, FL in one place.

Wednesday, September 23, 2026
Wind: 1 to 6 mph ENE
Wednesday

Scattered showers and thunderstorms after 2pm. Mostly sunny. High near 92, with temperatures falling to around 88 in the afternoon. Heat index values as high as 102. East northeast wind 1 to 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Keystone, FL 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: Sep 22, 2026 10:28 AM EDT.

The active forecast window currently covers Sep 23 to Sep 28, 2026 for Keystone, FL.

Page Snapshot

Page focus
city weather
Forecast window
Sep 23 to Sep 28, 2026
Latest sync
Sep 22, 2026 10:28 AM EDT
Forecast office
TBW
Source
NOAA / NWS
Next High
92°F
Wednesday
Next Low
74°F
Wednesday Night
Rain Outlook
6
Periods mentioning precipitation
Windiest
7 to 12 mph
Thursday Night

Daily Outlook

Today
Sep 23
Mostly Sunny then Scattered Showers And Thunderstorms
92 °F
/ 74°F
Wind 1 to 6 mph
Thu
Sep 24
Mostly Sunny then Isolated Showers And Thunderstorms
91 °F
/ 73°F
Wind 5 to 10 mph
Fri
Sep 25
Sunny
90 °F
/ 70°F
Wind 10 mph
Sat
Sep 26
Sunny
89 °F
/ 69°F
Wind 9 mph
Sun
Sep 27
Mostly Sunny
88 °F
/ 70°F
Wind 5 to 8 mph
Mon
Sep 28
Mostly Sunny then Isolated Showers And Thunderstorms
89 °F
/ 70°F
Wind 3 to 7 mph

This Week in Keystone

Wednesday looks like the warmest upcoming period in Keystone at 92 degrees F.

Saturday Night is the coolest period ahead with temperatures near 69 degrees F.

The strongest winds are forecast for Thursday Night at about 7 to 12 mph NE.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
Sep 22, 2026 10:28 AM EDT
Coverage
6 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 source

Extended Forecast

Wednesday Night
Sep 23
74°F
Scattered Showers And Thunderstorms then Partly Cloudy
2 to 6 mph NE

Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Northeast wind 2 to 6 mph. Chance of precipitation is 50%.

Thursday
Sep 24
91°F
Mostly Sunny then Isolated Showers And Thunderstorms
5 to 10 mph NNE

Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.

Thursday Night
Sep 24
73°F
Isolated Showers And Thunderstorms then Mostly Clear
7 to 12 mph NE

Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Northeast wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Friday
Sep 25
90°F
Sunny
10 mph NNE

Sunny, with a high near 90. North northeast wind around 10 mph, with gusts as high as 18 mph.

Friday Night
Sep 25
70°F
Mostly Clear
6 to 10 mph NE

Mostly clear, with a low around 70. Northeast wind 6 to 10 mph, with gusts as high as 18 mph.

Saturday
Sep 26
89°F
Sunny
9 mph NNE

Sunny, with a high near 89. North northeast wind around 9 mph.

Saturday Night
Sep 26
69°F
Mostly Clear
5 to 9 mph NE

Mostly clear, with a low around 69.

Sunday
Sep 27
88°F
Mostly Sunny
5 to 8 mph NE

Mostly sunny, with a high near 88.

Sunday Night
Sep 27
70°F
Partly Cloudy
3 to 7 mph NE

Partly cloudy, with a low around 70.

Monday
Sep 28
89°F
Mostly Sunny then Isolated Showers And Thunderstorms
3 to 7 mph ENE

Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

Monday Night
Sep 28
70°F
Isolated Showers And Thunderstorms then Partly Cloudy
6 mph ENE

Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 23
Mostly Sunny then Scattered Showers And Thunderstorms
92°F
1 to 6 mph
ENE
Wednesday Night
Sep 23
Scattered Showers And Thunderstorms then Partly Cloudy
74°F
2 to 6 mph
NE
Thursday
Sep 24
Mostly Sunny then Isolated Showers And Thunderstorms
91°F
5 to 10 mph
NNE
Thursday Night
Sep 24
Isolated Showers And Thunderstorms then Mostly Clear
73°F
7 to 12 mph
NE
Friday
Sep 25
Sunny
90°F
10 mph
NNE
Friday Night
Sep 25
Mostly Clear
70°F
6 to 10 mph
NE
Saturday
Sep 26
Sunny
89°F
9 mph
NNE
Saturday Night
Sep 26
Mostly Clear
69°F
5 to 9 mph
NE
Sunday
Sep 27
Mostly Sunny
88°F
5 to 8 mph
NE
Sunday Night
Sep 27
Partly Cloudy
70°F
3 to 7 mph
NE
Monday
Sep 28
Mostly Sunny then Isolated Showers And Thunderstorms
89°F
3 to 7 mph
ENE
Monday Night
Sep 28
Isolated Showers And Thunderstorms then Partly Cloudy
70°F
6 mph
ENE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.