Live Weather & Forecast

Weather in Williamsburg

Iowa, United States · Real-time conditions & 3-day outlook

Flag of United States
Partly cloudy
20°C
Feels like 20°C
68°F / Feels 68°F
Partly cloudy
Williamsburg, Iowa
🌞 Daytime
Updated: 2026-04-15 15:30
💧
Humidity
84%
💨
Wind
20.2 km/h SW
🌬️
Wind Gust
27.7 km/h
🌡️
Pressure
1006 mb
👁️
Visibility
16 km
☀️
UV Index
2.7 (Low)
🌧️
Precipitation
0.08 mm
☁️
Cloud Cover
75%
💦
Dew Point
17.6°C
🌐
Wind Degree
214°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
161.9 μg/m³
NO₂
4.4 μg/m³
O₃
74 μg/m³
SO₂
1 μg/m³
PM 2.5
4.8 μg/m³
PM 10
5.8 μg/m³

Weather Alerts 5

Met · Severe · Expected
Flood Warning issued April 15 at 9:02AM CDT until April 17 at 11:00PM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...From Thursday afternoon to late Friday evening. * IMPACTS...At 15.0 feet, Water reaches the bottom of the levee surrounding Marengo. Water aff...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Thursday morning at 915 AM CDT.

Met · Severe · Expected
Flood Warning issued April 15 at 9:46AM CDT until April 18 at 12:45PM CDT by NWS Quad Cities IA IL

...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Iowa... North Skunk River near Sigourney affecting Keokuk County. * WHAT...Minor flooding is forecast. * WHERE...North Skunk River near Sigourney. * WHEN...From Thursday afternoon to early Saturday afternoon. * IMPACTS...At 18.0 feet, Water affects most agricultural land near Sigourney....

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Thursday morning at 1000 AM CDT.

Met · Severe · Future
Severe Thunderstorm Watch issued April 15 at 12:28PM CDT until April 15 at 7:00PM CDT by NWS Des Moines IA

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 119 IN EFFECT UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS WATCH INCLUDES 25 COUNTIES IN CENTRAL IOWA BOONE DALLAS GRUNDY HAMILTON HARDIN JASPER MARSHALL POLK POWESHIEK STORY TAMA WEBSTER...

Met · Severe · Future
Flood Watch issued April 15 at 2:50AM CDT until April 16 at 12:00AM CDT by NWS Quad Cities IA IL

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of northwest Illinois, including the following counties, Carroll, Jo Daviess and Stephenson and Iowa, including the following counties, Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and Linn. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and...

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Met · Severe · Future
Flood Watch issued April 15 at 12:38PM CDT until April 16 at 12:00AM CDT by NWS Quad Cities IA IL

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Illinois, including the following counties, Carroll, Jo Daviess and Stephenson and Iowa, including the following counties, Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and Linn. * WHEN...Until midnight CDT tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks,...

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Today's Hourly Forecast

24-hour breakdown for Williamsburg, Iowa

12 AM
Patchy rain nearby
22°
Patchy rain nearby
💧 75% 💨 33.8 km/h 🌧️ 100%
1 AM
Patchy rain nearby
21°
Patchy rain nearby
💧 82% 💨 33.8 km/h 🌧️ 69%
2 AM
Light drizzle
19°
Light drizzle
💧 86% 💨 23 km/h 🌧️ 100%
3 AM
Heavy rain at times
18°
Heavy rain at times
💧 85% 💨 12.6 km/h 🌧️ 100%
4 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 87% 💨 14.4 km/h 🌧️ 100%
5 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 91% 💨 5.8 km/h 🌧️ 100%
6 AM
Mist
16°
Mist
💧 94% 💨 9 km/h 🌧️ 100%
7 AM
Patchy rain nearby
17°
Patchy rain nearby
💧 93% 💨 11.2 km/h 🌧️ 100%
8 AM
Partly Cloudy
17°
Partly Cloudy
💧 93% 💨 17.6 km/h
9 AM
Patchy rain nearby
18°
Patchy rain nearby
💧 92% 💨 20.5 km/h 🌧️ 82%
10 AM
Partly Cloudy
19°
Partly Cloudy
💧 90% 💨 23.8 km/h
11 AM
Patchy rain nearby
19°
Patchy rain nearby
💧 86% 💨 24.5 km/h 🌧️ 81%
12 PM
Patchy rain nearby
19°
Patchy rain nearby
💧 89% 💨 23.4 km/h 🌧️ 100%
1 PM
Light drizzle
20°
Light drizzle
💧 87% 💨 24.5 km/h 🌧️ 100%
2 PM
Light drizzle
20°
Light drizzle
💧 86% 💨 21.2 km/h 🌧️ 100%
3 PM
Partly cloudy
20°
Partly cloudy
💧 84% 💨 20.2 km/h 🌧️ 100%
4 PM
Partly Cloudy
22°
Partly Cloudy
💧 88% 💨 18 km/h
5 PM
Partly Cloudy
23°
Partly Cloudy
💧 83% 💨 21.6 km/h
6 PM
Sunny
22°
Sunny
💧 85% 💨 19.4 km/h
7 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 91% 💨 15.8 km/h 🌧️ 100%
8 PM
Patchy rain nearby
19°
Patchy rain nearby
💧 81% 💨 15.1 km/h 🌧️ 100%
9 PM
Patchy rain nearby
18°
Patchy rain nearby
💧 92% 💨 14.8 km/h 🌧️ 100%
10 PM
Cloudy
17°
Cloudy
💧 91% 💨 13.3 km/h
11 PM
Partly Cloudy
16°
Partly Cloudy
💧 91% 💨 15.1 km/h

3-Day Forecast

Daily overview for Williamsburg, Iowa

Today
Moderate rain
Moderate rain
24° / 16°
🌧️ 88% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 33.8 km/h
🌧️ Total precip: 10.9 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:49 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Partly Cloudy
Partly Cloudy
26° / 14°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:50 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Heavy rain
Heavy rain
26° / 11°
🌧️ 89% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 36 km/h
🌧️ Total precip: 80.34 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:51 PM
🌙 New Moon
🌑 Moon: 0% lit

Best Time to Visit Williamsburg

Plan your trip to Williamsburg, 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.
← Back to Williamsburg 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Williamsburg?
Current conditions in Williamsburg: Partly cloudy, temperature 20°C, humidity 84%.
What is the best time to visit Williamsburg?
The best time to visit Williamsburg is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Williamsburg?
Williamsburg is located at approximately 41.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Williamsburg?
The wettest period in Williamsburg is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Williamsburg?
For visits to Williamsburg during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Williamsburg in?
Williamsburg is located in United States, in the state of Iowa.
What are the public holidays in Williamsburg in 2026?
View the 2026 public holidays for Williamsburg on our Holidays page.
What are the GPS coordinates used for the weather forecast in Williamsburg?
The weather forecast for Williamsburg uses coordinates 41.6612, -92.0095.