Live Weather & Forecast
Weather in Sullivan
Missouri, United States · Real-time conditions & 3-day outlook
19°C
Feels like 19°C
66°F / Feels 66°F
Overcast
Sullivan, Missouri
🌞 Daytime
Updated: 2026-04-13 07:45
Humidity
84%
Wind
23 km/h SSW
Wind Gust
36.1 km/h
Pressure
1016 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
16°C
Wind Degree
206°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
140.9 μg/m³
NO₂
1.7 μg/m³
O₃
80 μg/m³
SO₂
1 μg/m³
PM 2.5
3.3 μg/m³
PM 10
3.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sullivan, Missouri
12 AM
19°
Clear
1 AM
19°
Clear
2 AM
19°
Partly Cloudy
3 AM
18°
Clear
4 AM
18°
Clear
5 AM
18°
Cloudy
6 AM
18°
Clear
7 AM
19°
Overcast
8 AM
20°
Cloudy
9 AM
21°
Partly Cloudy
10 AM
22°
Partly Cloudy
11 AM
24°
Overcast
12 PM
25°
Partly Cloudy
1 PM
26°
Partly Cloudy
2 PM
28°
Partly Cloudy
3 PM
28°
Partly Cloudy
4 PM
29°
Sunny
5 PM
26°
Sunny
6 PM
26°
Thundery outbreaks in nearby
7 PM
24°
Overcast
8 PM
24°
Thundery outbreaks in nearby
9 PM
23°
Thundery outbreaks in nearby
10 PM
23°
Cloudy
11 PM
22°
Thundery outbreaks in nearby
3-Day Forecast
Daily overview for Sullivan, Missouri
Today
Partly Cloudy
30°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 27.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 06:31 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
26°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 06:30 AM
🌇 Sunset: 07:40 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Patchy rain nearby
22°
/
20°
🌧️ 88% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 28.1 km/h
🌧️ Total precip: 3.75 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:41 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Sullivan
Plan your trip to Sullivan, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Sullivan?
Current conditions in Sullivan: Overcast, temperature 19°C, humidity 84%.
What is the best time to visit Sullivan?
The best time to visit Sullivan is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sullivan?
Sullivan is located at approximately 38.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sullivan?
The wettest period in Sullivan is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sullivan?
For visits to Sullivan during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sullivan in?
Sullivan is located in United States, in the state of Missouri.
What are the public holidays in Sullivan in 2026?
View the 2026 public holidays for Sullivan on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sullivan?
The weather forecast for Sullivan uses coordinates 38.2079, -91.1601.