Weather forecast for 10 daysSaint Peters, MO
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSE 164°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:15 am CDT
- Sunset: 6:20 pm CDT
- details ▼
On Sunday, in Saint Peters, a sun-drenched sky is anticipated.
Temperature readings will considerable fluctuate from a daytime peak of an enjoyable 66.2°F to a nighttime low of a cold 37.4°F.
Today, the anticipated maximum temperature should be consistent with October's typical high of 66°F.
Sunrise will be at 7:15 am and sunset at 6:20 pm; the daylight will last for 11h and 5min.
Temperature readings will considerable fluctuate from a daytime peak of an enjoyable 66.2°F to a nighttime low of a cold 37.4°F.
Today, the anticipated maximum temperature should be consistent with October's typical high of 66°F.
Sunrise will be at 7:15 am and sunset at 6:20 pm; the daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Warmest day: Sunday 25.10. 81°C.
Coldest day: today 66°C.
Coldest day: today 66°C.
Chance of precipitation
Highest chance: tomorrow - Wednesday 6%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSSE 164°
- Humidity: 56%
- UV index: 5
- Sunrise: 7:15 am CDT
- Sunset: 6:20 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 72°F
- 43°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSSE 157°
- Humidity: 54%
- UV index: 5
- Sunrise: 7:16 am CDT
- Sunset: 6:18 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 73°F
- 43°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSE 124°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:17 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 45°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphSSE 168°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:18 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphESE 105°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:19 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 45°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphSE 128°
- Humidity: 52%
- UV index: 4
- Sunrise: 7:20 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSE 153°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:21 am CDT
- Sunset: 6:12 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 81°F
- 50°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSW 202°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:22 am CDT
- Sunset: 6:10 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 79°F
- 48°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSW 216°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:23 am CDT
- Sunset: 6:09 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 79°F
- 52°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSE 167°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:24 am CDT
- Sunset: 6:08 pm CDT
- details ▼
Throughout the next ten days, a combination of dry and sunny and cloud-filled weather is forecasted.
Rain is not predicted in Saint Peters in the upcoming days.
There will be a considerable variation in temperature throughout the forecast window. Maximum temperatures are forecasted between 66.2°F and 80.6°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 37.4°F up to 51.8°F.
Next Sunday will be the warmest day, with a maximum temperature of 80.6°F; today is the coldest day, with a maximum temperature of 66.2°F.
Rain is not predicted in Saint Peters in the upcoming days.
There will be a considerable variation in temperature throughout the forecast window. Maximum temperatures are forecasted between 66.2°F and 80.6°F, while there will be also a marked difference in overnight low temperatures, as temperatures overnight will fluctuate from 37.4°F up to 51.8°F.
Next Sunday will be the warmest day, with a maximum temperature of 80.6°F; today is the coldest day, with a maximum temperature of 66.2°F.
Updated: Oct 18, 2026 @ 10:56:38 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
On Sunday, in Saint Peters, sunny conditions are expected to continue.
Today, the highest temperature in Saint Peters will be 66.2°F, while the lowest temperature will be 37.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be uncommonly lower than the average low of 48.4°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature today will be uncommonly lower than the average low of 48.4°F.
On Sunday, in Saint Peters, sunrise will be at 7:15 am and sunset at 6:20 pm (CDT).
In Saint Peters, the length of the day today will be 11h and 5min.
