Weather forecast for 10 daysFort Sill, OK

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 63°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNE 55°
  • Humidity: 43%
  • UV index: 6
  • Sunrise: 7:41 am CDT
  • Sunset: 6:56 pm CDT
  • ▼
On Saturday, October 17, sunshine is expected with little to no cloud cover.
The maximum forecasted temperature is an enjoyable 62.6°F, while the minimum temperature will be a wintry 39.2°F.
The forecast high of 62.6°F is more in line with November's average of 63.1°F than October's 75.7°F.
Sunrise was at 7:41 am and sunset will be at 6:56 pm; the daylight will last for 11h and 16min.

Sunday Oct 18, 2026

  • 68°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 12mphSSE 167°
  • Humidity: 56%
  • UV index: 6
  • Sunrise: 7:41 am CDT
  • Sunset: 6:55 pm CDT
  • ▼
On Sunday, October 18, clear and sunny conditions are expected.
Temperatures will oscillate between an agreeable 68°F at their highest and a frosty 44.6°F at their lowest.
Forecast models suggest colder conditions, with a peak that mirrors November's climate average rather than October's.
Sunrise will be at 7:41 am and sunset at 6:55 pm; tomorrow's daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest day: Thursday 84°C.
Coldest day: today 63°C.

Chance of precipitation

Highest chance: Monday 26.10. 21%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 63°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNE 55°
  • Humidity: 43%
  • UV index: 6
  • Sunrise: 7:41 am CDT
  • Sunset: 6:56 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 68°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 12mphSSE 167°
  • Humidity: 56%
  • UV index: 6
  • Sunrise: 7:41 am CDT
  • Sunset: 6:55 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 73°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphSSE 152°
  • Humidity: 53%
  • UV index: 6
  • Sunrise: 7:42 am CDT
  • Sunset: 6:54 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 77°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 11mphSE 144°
  • Humidity: 57%
  • UV index: 6
  • Sunrise: 7:43 am CDT
  • Sunset: 6:53 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 81°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphSSE 165°
  • Humidity: 54%
  • UV index: 5
  • Sunrise: 7:44 am CDT
  • Sunset: 6:51 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 84°F
  • 57°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 10mphSSE 162°
  • Humidity: 55%
  • UV index: 5
  • Sunrise: 7:45 am CDT
  • Sunset: 6:50 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 82°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSE 154°
  • Humidity: 51%
  • UV index: 5
  • Sunrise: 7:46 am CDT
  • Sunset: 6:49 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 82°F
  • 59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 14mphSSE 162°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:47 am CDT
  • Sunset: 6:48 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 82°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 10mphSE 145°
  • Humidity: 59%
  • UV index: 5
  • Sunrise: 7:48 am CDT
  • Sunset: 6:47 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 79°F
  • 61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 11mphSE 131°
  • Humidity: 67%
  • UV index: 4
  • Sunrise: 7:48 am CDT
  • Sunset: 6:46 pm CDT
  • ▼
In the days ahead, a combination of sunny and cloud-filled weather is expected.
Rain is not forecasted in Fort Sill in the upcoming days.
Significant changes in temperature are expected in the upcoming days. The temperature is expected to swing from 62.6°F up to 84.2°F, while the nightly low temperatures will show also a considerable swing, as temperatures overnight will fluctuate from 39.2°F up to 60.8°F.
With the highest temperature of 84.2°F, Thursday will be the hottest day; today is the coldest day, with a maximum temperature of 62.6°F.
Updated: Oct 17, 2026 @ 17:03:50 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Fort Sill, conditions remain stable and sunny, with little cloud presence.

Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be uncommonly lower than the average highest temperature of 75.7°F in October. Today, the lowest temperature will be also significantly lower than the average low of 49.5°F.

On Saturday, in Fort Sill, sunrise was at 7:41 am and sunset will be at 6:56 pm (CDT).

In Fort Sill, today, there will be 11h and 16min of daylight.

Tomorrow, in Fort Sill, sunny skies and pleasant visibility are expected.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 44.6°F.
The maximum temperature tomorrow will be moderately lower than the average highest temperature in October. The lowest temperature will be also a couple of degrees lower than the average low of 49.5°F.

On Sunday, in Fort Sill, sunrise will be at 7:41 am and sunset at 6:55 pm (CDT).

In Fort Sill, tomorrow, there will be 11h and 14min of daylight.