See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Overcast
Feels Like: 22°
Min: 19°
Max: 31°
The next few hours will be overcast, with today reaching 31°C and dropping to 16°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:33
Sunrise
19:47
Sunset
Moon
Waxing Crescent
12:14
Moonrise
21:32
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Guymon.
UV Index
Humidity
Weather in Guymon today, September 15, 2026
Guymon is set for a fine, sunny day on September 15, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Cloud leads the morning, peaking close to 100% near 06:00. Sunshine has little room until later in the day.
The day peaks near 31°C and cools toward 19°C. Expect humidity between 37% and 82%, most humid near 23:00. Airflow remains manageable, reaching about 7.9 km/h around 17:00.
Expect persistent cloud later on, with amounts around 100% by 13:00. Sunshine remains the exception, not the rule. Views remain open at about 16.1 km. The sun rises at 07:33 and sets at 19:47, for a total of 12 hours 13 minutes of sunlight today.
The practical takeaway for Guymon is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 31°C.
Frequently asked questions about weather in Guymon
How warm does it get in Guymon?
The warmest month in Guymon is July, with average high temperatures of 35°C. The average temperature during this period is around 27°C.
How cold does it get in Guymon?
The coldest month in Guymon is January, with average low temperatures of -3°C. The average temperature during this period is around 2°C.
What is the wettest time of year in Guymon?
The wettest month in Guymon is May, with an average of 75mm of precipitation.
What is the driest time of year in Guymon?
The driest month in Guymon is February, with an average of 11mm of precipitation.
Explore more weather forecasts
- Woodward, Oklahoma
- New York City, New York
- Elk City, Oklahoma
- Los Angeles, California
- Weatherford, Oklahoma
- Brooklyn, New York
- Altus, Oklahoma
- Chicago, Illinois
- Enid, Oklahoma
- Houston, Texas
- El Reno, Oklahoma
- Queens, New York
- Yukon, Oklahoma
- Phoenix, Arizona
- Lawton, Oklahoma
- Philadelphia, Pennsylvania
