Weather forecast for 10 daysKeystone Lake, OK

Weather forecast for the weekend

Sunday Oct 18, 2026

68°F
45°F

Sunny

Precip. probability: 7%
Precipitation: 0"
Wind: 10mphS 170°
Humidity: 59%
UV index: 5
Sunrise: 7:35 am CDT
Sunset: 6:45 pm CDT
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Tomorrow, on Sunday, uninterrupted sunshine is anticipated.
The temperature is predicted to vary between a maximum of a delightful 68°F and a minimum of a frosty 44.6°F.
Sunrise will be at 7:35 am and sunset at 6:45 pm; tomorrow's daylight will last for 11h and 10min.

10-day overview

Daily temperatures

Warmest day: Friday 82°C.
Coldest day: tomorrow 68°C.

Chance of precipitation

Highest chance: Monday 26.10. 14%.

Long-term weather forecast

Saturday
Oct 17, 2026

min.
41°F

Clear

Precip. probability: 6%
Precipitation: 0"
Wind: 2mphSE 131°
Humidity: 72%
UV index: 0
Sunrise: 7:34 am CDT
Sunset: 6:46 pm CDT
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Sunday
Oct 18, 2026

68°F
45°F

Sunny

Precip. probability: 7%
Precipitation: 0"
Wind: 10mphS 170°
Humidity: 59%
UV index: 5
Sunrise: 7:35 am CDT
Sunset: 6:45 pm CDT
details ▼

Monday
Oct 19, 2026

72°F
48°F

Mostly Sunny

Precip. probability: 9%
Precipitation: 0"
Wind: 7mphSSE 148°
Humidity: 54%
UV index: 5
Sunrise: 7:36 am CDT
Sunset: 6:44 pm CDT
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Tuesday
Oct 20, 2026

73°F
50°F

Partly Cloudy

Precip. probability: 8%
Precipitation: 0"
Wind: 6mphSE 145°
Humidity: 57%
UV index: 5
Sunrise: 7:37 am CDT
Sunset: 6:43 pm CDT
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Wednesday
Oct 21, 2026

79°F
54°F

Sunny

Precip. probability: 4%
Precipitation: 0"
Wind: 7mphSSE 162°
Humidity: 54%
UV index: 5
Sunrise: 7:37 am CDT
Sunset: 6:41 pm CDT
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Thursday
Oct 22, 2026

81°F
55°F

Sunny

Precip. probability: 4%
Precipitation: 0"
Wind: 5mphSSE 152°
Humidity: 55%
UV index: 5
Sunrise: 7:38 am CDT
Sunset: 6:40 pm CDT
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Friday
Oct 23, 2026

82°F
57°F

Partly Cloudy

Precip. probability: 4%
Precipitation: 0"
Wind: 8mphSSE 152°
Humidity: 51%
UV index: 5
Sunrise: 7:39 am CDT
Sunset: 6:39 pm CDT
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Saturday
Oct 24, 2026

81°F
59°F

Mostly Cloudy

Precip. probability: 1%
Precipitation: 0"
Wind: 10mphSSE 160°
Humidity: 50%
UV index: 4
Sunrise: 7:40 am CDT
Sunset: 6:38 pm CDT
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Sunday
Oct 25, 2026

81°F
59°F

Partly Cloudy

Precip. probability: 8%
Precipitation: 0"
Wind: 7mphSSE 168°
Humidity: 55%
UV index: 4
Sunrise: 7:41 am CDT
Sunset: 6:36 pm CDT
details ▼

Monday
Oct 26, 2026

81°F
59°F

Partly Cloudy

Precip. probability: 14%
Precipitation: 0"
Wind: 6mphSSE 162°
Humidity: 56%
UV index: 4
Sunrise: 7:42 am CDT
Sunset: 6:35 pm CDT
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Across the following ten days, a combination of overcast and mostly clear weather is anticipated.
Rain is not expected in Keystone Lake in the upcoming period.
Noticeable swings in temperature are expected throughout the forecast window. The maximum temperature will vary between 68°F and 82.4°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 41°F up to 59°F.
Friday is expected to be the warmest, reaching up to 82.4°F; the lowest daytime temperature of the period will be reached on Sunday, peaking at 68°F.

Updated: Oct 17, 2026 @ 21:35:21 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate