Weather forecast for 10 daysSiam, IA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphS 188°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:34 am CDT
- Sunset: 6:35 pm CDT
- details ▼
On Sunday, in Siam, the forecast calls for abundant sunshine.
A substantial temperature fluctuation from a pleasant 68°F at its peak to a cold 41°F at its lowest point is predicted.
Today, the expected temperature will be a few degrees higher than the standard October high of 61.9°F.
Sunrise will be at 7:34 am and sunset at 6:35 pm; the daylight will last for 11h and 1min.
A substantial temperature fluctuation from a pleasant 68°F at its peak to a cold 41°F at its lowest point is predicted.
Today, the expected temperature will be a few degrees higher than the standard October high of 61.9°F.
Sunrise will be at 7:34 am and sunset at 6:35 pm; the daylight will last for 11h and 1min.
10-day overview
Daily temperatures
Warmest period: Thursday - Saturday 77°C.
Coldest day: Tuesday 27.10. 66°C.
Coldest day: Tuesday 27.10. 66°C.
Chance of precipitation
Highest chance: Tuesday 27.10. 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphS 188°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:34 am CDT
- Sunset: 6:35 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 43°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 11mphS 173°
- Humidity: 58%
- UV index: 4
- Sunrise: 7:35 am CDT
- Sunset: 6:33 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 48°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 10mphSSE 157°
- Humidity: 56%
- UV index: 4
- Sunrise: 7:36 am CDT
- Sunset: 6:32 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 50°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 9mphS 184°
- Humidity: 57%
- UV index: 4
- Sunrise: 7:37 am CDT
- Sunset: 6:30 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 55°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphSSE 163°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:38 am CDT
- Sunset: 6:29 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 57°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSE 159°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:39 am CDT
- Sunset: 6:27 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 55°F
Mostly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 16mphS 179°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:40 am CDT
- Sunset: 6:26 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 70°F
- 52°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphSSW 211°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:42 am CDT
- Sunset: 6:25 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 68°F
- 50°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 10mphSSE 149°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:43 am CDT
- Sunset: 6:23 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 66°F
- 52°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 11mphSSE 159°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:44 am CDT
- Sunset: 6:22 pm CDT
- details ▼
Ten-day trends indicate that a combination of cloud-filled and mostly clear weather is forecasted.
Rain is not anticipated in Siam in the upcoming days.
In the coming days, the highest temperature will range between 66.2°F and 77°F, while the nightly low temperatures will show a considerable swing, as temperatures overnight will fluctuate from 41°F up to 57.2°F.
With a maximum temperature of 77°F, Thursday through Saturday will be the warmest days; expect the coldest day on next Tuesday with a high of 66.2°F.
Rain is not anticipated in Siam in the upcoming days.
In the coming days, the highest temperature will range between 66.2°F and 77°F, while the nightly low temperatures will show a considerable swing, as temperatures overnight will fluctuate from 41°F up to 57.2°F.
With a maximum temperature of 77°F, Thursday through Saturday will be the warmest days; expect the coldest day on next Tuesday with a high of 66.2°F.
Updated: Oct 18, 2026 @ 06:44:01 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
Today, bright and sunny weather is expected.
Today, the maximum temperature will be 68°F, while the minimum temperature will be 41°F.
The maximum temperature today will be slightly warmer than the average highest temperature in October. The lowest temperature today will be also a few degrees lower than the average low temperature.
The maximum temperature today will be slightly warmer than the average highest temperature in October. The lowest temperature today will be also a few degrees lower than the average low temperature.
On Sunday, in Siam, sunrise will be at 7:34 am and sunset at 6:35 pm (CDT).
Today, the daylight will last for 11h and 1min.
