Weather forecast for 10 daysFort Sumner, NM

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 70°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 16mphS 184°
  • Humidity: 28%
  • UV index: 6
  • Sunrise: 7:05 am MDT
  • Sunset: 6:18 pm MDT
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Today, in Fort Sumner, partly cloudy skies will persist, making for a mix of sun and clouds.
Predicted temperatures will peak at a pleasant 69.8°F and dip to a minimum of a frosty 44.6°F.
October's usual high of 69.4°F is anticipated to be matched by the day’s maximum temperature.
Sunrise was at 7:05 am and sunset will be at 6:18 pm; the daylight will last for 11h and 14min.

10-day overview

Daily temperatures

Warmest period: Wednesday - Thursday 81°C.
Coldest day: Sunday 25.10. 68°C.

Chance of precipitation

Highest chance: Sunday 25.10. 61%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 70°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 16mphS 184°
  • Humidity: 28%
  • UV index: 6
  • Sunrise: 7:05 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 75°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 12mphS 178°
  • Humidity: 48%
  • UV index: 6
  • Sunrise: 7:06 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 77°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 13mphS 178°
  • Humidity: 55%
  • UV index: 6
  • Sunrise: 7:06 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 81°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 11mphS 183°
  • Humidity: 57%
  • UV index: 6
  • Sunrise: 7:07 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 81°F
  • 57°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0.04"
  • Wind: 14mphS 177°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:08 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 55°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 0.24"
  • Wind: 16mphS 182°
  • Humidity: 57%
  • UV index: 5
  • Sunrise: 7:09 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 72°F
  • 52°F
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 0.63"
  • Wind: 11mphS 178°
  • Humidity: 61%
  • UV index: 5
  • Sunrise: 7:10 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 68°F
  • 52°F
Showers
Showers
  • Precip. probability: 61%
  • Precipitation: 0.51"
  • Wind: 12mphSSE 152°
  • Humidity: 68%
  • UV index: 4
  • Sunrise: 7:11 am MDT
  • Sunset: 6:10 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 52°F
AM Showers
AM Showers
  • Precip. probability: 42%
  • Precipitation: 0.24"
  • Wind: 14mphS 175°
  • Humidity: 67%
  • UV index: 4
  • Sunrise: 7:12 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 70°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 14mphSSW 196°
  • Humidity: 60%
  • UV index: 5
  • Sunrise: 7:12 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
Weather fluctuations are likely over the next ten days, and a mix of dull, damp, bright and thunderstorm-prone weather is anticipated.
Rain is anticipated on Friday through next Monday.
There will be a considerable variation in temperature throughout the forecast window. The maximum temperature will vary between 68°F and 80.6°F, while the nightly low temperatures will show also a considerable swing, as the lowest temperatures will be recorded between 44.6°F and 57.2°F.
Wednesday and Thursday, with the highest temperature of 80.6°F, will be the warmest days in Fort Sumner; the coldest day will be next Sunday, with a maximum of 68°F.
Updated: Oct 18, 2026 @ 17:03:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Fort Sumner, partly cloudy skies will persist, making for a mix of sun and clouds.

Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 44.6°F.
The maximum temperature today will be in line with the average highest temperature in October. The lowest temperature today will be a few degrees lower than the average low temperature.

On Sunday, in Fort Sumner, sunrise was at 7:05 am and sunset will be at 6:18 pm (MDT).

Today, the daylight will last for 11h and 14min.