Weather forecast for 10 daysChatham-Arch, IN

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphSSE 166°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:58 am EDT
  • Sunset: 7:01 pm EDT
  • ▼
On Sunday, October 18, conditions will remain bright with clear skies.
A high of an enjoyable 64.4°F during the day contrasts markedly with a low of an icy 37.4°F at night.
Sunrise will be at 7:58 am and sunset at 7:01 pm; the daylight will last for 11h and 3min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 75°C.
Coldest day: today 64°C.

Chance of precipitation

Highest chance: Wednesday - Thursday 7%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphSSE 166°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:58 am EDT
  • Sunset: 7:01 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphESE 112°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:59 am EDT
  • Sunset: 6:59 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphNE 53°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 8:00 am EDT
  • Sunset: 6:58 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphNNE 30°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 8:01 am EDT
  • Sunset: 6:56 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 5mphNNE 33°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 8:02 am EDT
  • Sunset: 6:55 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 73°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphE 82°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 8:03 am EDT
  • Sunset: 6:54 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 73°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphESE 113°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 8:04 am EDT
  • Sunset: 6:52 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 75°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphS 172°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 8:05 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNNW 339°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 8:06 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 72°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNE 36°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 8:07 am EDT
  • Sunset: 6:48 pm EDT
  • ▼
Conditions over the next ten days suggest that a combination of bright and cloud-filled weather is expected.
Rainfall is not anticipated in Chatham-Arch in the upcoming days.
In the upcoming days, the highest temperature will vary between 64.4°F and 75.2°F, while the forecast minimum temperature falls between 37.4°F and 48.2°F.
Expect the warmest day on next Sunday, with temperatures peaking at 75.2°F; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Oct 18, 2026 @ 04:07:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, clear and sunny conditions are expected.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.

On Sunday, in Chatham-Arch, sunrise will be at 7:58 am and sunset at 7:01 pm (EDT).

In Chatham-Arch, the length of the day today will be 11h and 3min.