Weather forecast for 10 daysCoster, IA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphSSW 194°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:27 am CDT
- Sunset: 6:23 pm CDT
- details ▼
On Sunday, in Coster, sunny skies are also in store, with excellent visibility.
Temperature values will vary noticeably, extending from an enjoyable 66.2°F to a cold 39.2°F.
Expect a warmer feel as the forecasted high matches September's 73.2°F, rather than October's average of 58.3°F.
Sunrise will be at 7:27 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 56min.
Temperature values will vary noticeably, extending from an enjoyable 66.2°F to a cold 39.2°F.
Expect a warmer feel as the forecasted high matches September's 73.2°F, rather than October's average of 58.3°F.
Sunrise will be at 7:27 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 56min.
10-day overview
Daily temperatures
Warmest day: Saturday 24.10. 75°C.
Coldest day: tomorrow 66°C.
Coldest day: tomorrow 66°C.
Chance of precipitation
Highest chance: Wednesday 15%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 39°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphSSW 194°
- Humidity: 71%
- UV index: 0
- Sunrise: 7:26 am CDT
- Sunset: 6:25 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphSSW 194°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:27 am CDT
- Sunset: 6:23 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 41°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphS 174°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:29 am CDT
- Sunset: 6:22 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 45°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphSSE 148°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:30 am CDT
- Sunset: 6:20 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 46°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 7mphS 182°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:31 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 73°F
- 48°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphSSE 149°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:32 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 54°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 13mphSSE 151°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:33 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 75°F
- 52°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 15mphSSE 167°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:35 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 70°F
- 46°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphSW 232°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:36 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 46°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphSE 140°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:37 am CDT
- Sunset: 6:11 pm CDT
- details ▼
Forecasts for the ten-day outlook show that a combination of dull and bright weather is expected.
Rainfall is not predicted in Coster in the upcoming days.
In the upcoming days, the maximum temperature will vary between 66.2°F and 75.2°F, while the nightly low temperatures will show a considerable swing, as the overnight lows will vary from 39.2°F to 53.6°F.
With the highest temperature of 75.2°F, next Saturday will be the warmest day; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Rainfall is not predicted in Coster in the upcoming days.
In the upcoming days, the maximum temperature will vary between 66.2°F and 75.2°F, while the nightly low temperatures will show a considerable swing, as the overnight lows will vary from 39.2°F to 53.6°F.
With the highest temperature of 75.2°F, next Saturday will be the warmest day; the lowest daytime temperature of the period will be reached on Sunday, peaking at 66.2°F.
Updated: Oct 18, 2026 @ 00:35:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, in Coster, conditions will remain bright with clear skies.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
The maximum temperature will be moderately higher than the average highest temperature of 58.3°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 43.2°F.
The maximum temperature will be moderately higher than the average highest temperature of 58.3°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 43.2°F.
On Sunday, in Coster, sunrise will be at 7:27 am and sunset at 6:23 pm (CDT).
Tomorrow, the daylight will last for 10h and 56min.
