Weather forecast for todaySaint Peters, MO

Weather forecast for today

Current condition 2:58 pm CDT

  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 3mphNNE 20°
  • Humidity: 38%
  • Dewpoint: 34°F
  • Pressure: 30.49"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
In Saint Peters, at the moment, the sky is azure blue, with the sun shining strong and bright.
The temperature is a mild 57.2°F. The current temperature is nearly at the maximum 59°F for today.

Saturday Oct 17, 2026

  • 59°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 36°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:14 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
Today, on Saturday, October 17, sun-filled conditions are expected to persist.
A temperature range of a mild 59°F to a wintry 37.4°F is predicted.
With a forecast of 59°F, the day’s weather feels closer to November than October.
Sunrise was at 7:14 am and sunset will be at 6:21 pm; the daylight will last for 11h and 7min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 5 pm 59°C.
Coldest hour: 12 am 43°C.

Chance of precipitation

Highest chance: 11 pm - 12 am 2%.

Hourly weather forecast

  • 3 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphN 7°
  • Humidity: 38%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 20°
  • Humidity: 37%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 58°
  • Humidity: 38%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphENE 62°
  • Humidity: 49%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:21 pm
  • 7 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphE 80°
  • Humidity: 60%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphESE 109°
  • Humidity: 67%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 46°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSE 137°
  • Humidity: 72%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSE 136°
  • Humidity: 78%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSE 154°
  • Humidity: 81%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 12 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSE 155°
  • Humidity: 87%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
For the rest of Saturday, bright skies and dry conditions are anticipated.
The temperature will be between a minimum of 44.6°F and a maximum of 59°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature today will be more similar to November's average high of 53.2°F than October's usual of 66°F. The expected low will be also more resembling what’s common in November than the current October average of 48.4°F.
Updated: Oct 17, 2026 @ 19:58:17 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (2:58 pm CDT) is 57.2°F.

Today, a sun-drenched sky is anticipated.

Today, the maximum temperature will be 59°F, while the minimum temperature will be 37.4°F.
The maximum temperature today will be relatively lower than the average highest temperature in October. The lowest temperature today will be significantly lower than the average low of 48.4°F.

On Saturday, in Saint Peters, sunrise was at 7:14 am and sunset will be at 6:21 pm (CDT).

In Saint Peters, Missouri, today, there will be 11h and 7min of daylight.