Weather forecast for 10 daysArch, OK

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 64°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphN 9°
  • Humidity: 46%
  • UV index: 6
  • Sunrise: 7:30 am CDT
  • Sunset: 6:45 pm CDT
  • ▼
On Saturday, in Arch, sunshine is forecasted under mostly clear skies.
The maximum expected temperature is a comfortable 64.4°F, while the minimum temperature will be a frosty 42.8°F.
The forecast high of 64.4°F is more in line with November's average of 60.6°F than October's 72.1°F.
Sunrise was at 7:30 am and sunset will be at 6:45 pm; the daylight will last for 11h and 16min.

Sunday Oct 18, 2026

  • 70°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSE 156°
  • Humidity: 47%
  • UV index: 6
  • Sunrise: 7:31 am CDT
  • Sunset: 6:44 pm CDT
  • ▼
Tomorrow, in Arch, sunny skies are in store, with excellent visibility.
A temperature range of a delightful 69.8°F to a brisk 46.4°F is expected.
The expected maximum is forecasted to be in line with the regular October temperature of 72.1°F.
Sunrise will be at 7:31 am and sunset at 6:44 pm; tomorrow's daylight will last for 11h and 13min.

10-day overview

Daily temperatures

Warmest period: Thursday - Sunday 84°C.
Coldest day: today 64°C.

Chance of precipitation

Highest chance: Sunday 25.10. 22%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 64°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphN 9°
  • Humidity: 46%
  • UV index: 6
  • Sunrise: 7:30 am CDT
  • Sunset: 6:45 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 70°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSE 156°
  • Humidity: 47%
  • UV index: 6
  • Sunrise: 7:31 am CDT
  • Sunset: 6:44 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 75°F
  • 50°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSE 150°
  • Humidity: 46%
  • UV index: 6
  • Sunrise: 7:31 am CDT
  • Sunset: 6:43 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 77°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSE 142°
  • Humidity: 45%
  • UV index: 6
  • Sunrise: 7:32 am CDT
  • Sunset: 6:41 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 81°F
  • 52°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 180°
  • Humidity: 44%
  • UV index: 5
  • Sunrise: 7:33 am CDT
  • Sunset: 6:40 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 84°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 190°
  • Humidity: 46%
  • UV index: 5
  • Sunrise: 7:34 am CDT
  • Sunset: 6:39 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 84°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphSSE 158°
  • Humidity: 42%
  • UV index: 5
  • Sunrise: 7:35 am CDT
  • Sunset: 6:38 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 84°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphSSE 168°
  • Humidity: 43%
  • UV index: 5
  • Sunrise: 7:36 am CDT
  • Sunset: 6:37 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 84°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 7mphS 188°
  • Humidity: 49%
  • UV index: 5
  • Sunrise: 7:37 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 81°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphS 170°
  • Humidity: 56%
  • UV index: 5
  • Sunrise: 7:38 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
For the coming ten days, a combination of dry and sunny and cloudy weather is anticipated.
Rain is not forecasted in Arch in the upcoming period.
Temperature differences will be noticeable across the forecast period. Forecast highs will fluctuate between 64.4°F and 84.2°F, while the nightly low temperatures will show also a considerable swing, as nighttime lows are forecast to fall between 42.8°F and 60.8°F.
The hottest days in Arch will be Thursday through next Sunday, with a maximum of 84.2°F; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Oct 17, 2026 @ 15:06:44 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, skies are expected to be clear and full of sunshine.

Today, the maximum temperature will be 64.4°F, while the minimum temperature will be 42.8°F.
The maximum temperature will be moderately lower than the average highest temperature of 72.1°F in October. The lowest temperature today will be significantly lower than the average low of 53.1°F.

On Saturday, in Arch, sunrise was at 7:30 am and sunset will be at 6:45 pm (CDT).

In Arch, the length of the day today will be 11h and 16min.

Tomorrow, sun-filled conditions are expected to persist.

Tomorrow, the maximum temperature will be 69.8°F, while the minimum temperature will be 46.4°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. Tomorrow, the lowest temperature will be a few degrees lower than the average low temperature.

On Sunday, in Arch, sunrise will be at 7:31 am and sunset at 6:44 pm (CDT).

Tomorrow, the daylight will last for 11h and 13min.