Live Weather & Forecast

Weather in Hartford

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

Flag of United States
Partly cloudy
27°C
Feels like 26°C
81°F / Feels 78°F
Partly cloudy
Hartford, South Dakota
🌞 Daytime
Updated: 2026-04-12 19:00
💧
Humidity
26%
💨
Wind
14.4 km/h W
🌬️
Wind Gust
23.8 km/h
🌡️
Pressure
1001 mb
👁️
Visibility
16 km
☀️
UV Index
0.3 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
75%
💦
Dew Point
4°C
🌐
Wind Degree
276°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
163.9 μg/m³
NO₂
15.1 μg/m³
O₃
56 μg/m³
SO₂
1.8 μg/m³
PM 2.5
8.7 μg/m³
PM 10
15 μg/m³

Weather Alerts 2

Met · Severe · Expected
Red Flag Warning issued April 12 at 12:44PM CDT until April 12 at 7:00PM CDT by NWS Sioux Falls SD

* AFFECTED AREA...In Nebraska, Dixon. In South Dakota, Gregory, Jerauld, Sanborn, Brule, Aurora, Davison, Hanson, McCook, Minnehaha, Charles Mix, Douglas, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burnin...

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T12:44:00-05:00  ·  Expires: 2026-04-12T19:00:00-05:00
Met · Severe · Expected
Red Flag Warning issued April 12 at 12:44PM CDT until April 12 at 7:00PM CDT by NWS Sioux Falls SD

The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect until 7 PM CDT this evening. * AFFECTED AREA...In Iowa, Lyon, Sioux and Plymouth. In Minnesota, Pipestone and Rock. In Nebraska, Dakota. In South Dakota, Miner, Lake and Moody. * WINDS...West 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 17 per...

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Effective: 2026-04-12T12:44:00-05:00  ·  Expires: 2026-04-12T19:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Hartford, South Dakota

12 AM
Clear
15°
Clear
💧 89% 💨 28.4 km/h
1 AM
Clear
15°
Clear
💧 89% 💨 27.7 km/h
2 AM
Clear
15°
Clear
💧 89% 💨 26.6 km/h
3 AM
Clear
15°
Clear
💧 89% 💨 26.6 km/h
4 AM
Clear
15°
Clear
💧 89% 💨 26.6 km/h
5 AM
Clear
15°
Clear
💧 88% 💨 27 km/h
6 AM
Clear
15°
Clear
💧 87% 💨 25.6 km/h
7 AM
Sunny
15°
Sunny
💧 87% 💨 25.2 km/h
8 AM
Sunny
16°
Sunny
💧 86% 💨 23.4 km/h
9 AM
Sunny
18°
Sunny
💧 79% 💨 24.8 km/h
10 AM
Sunny
20°
Sunny
💧 59% 💨 27.7 km/h
11 AM
Sunny
23°
Sunny
💧 39% 💨 28.4 km/h
12 PM
Sunny
26°
Sunny
💧 30% 💨 30.2 km/h
1 PM
Sunny
28°
Sunny
💧 20% 💨 29.9 km/h
2 PM
Sunny
29°
Sunny
💧 19% 💨 30.2 km/h
3 PM
Sunny
29°
Sunny
💧 20% 💨 30.2 km/h
4 PM
Sunny
29°
Sunny
💧 20% 💨 28.4 km/h
5 PM
Sunny
28°
Sunny
💧 21% 💨 27 km/h
6 PM
Sunny
27°
Sunny
💧 22% 💨 22 km/h
7 PM
Partly cloudy
27°
Partly cloudy
💧 26% 💨 14.4 km/h
8 PM
Sunny
23°
Sunny
💧 27% 💨 10.8 km/h
9 PM
Clear
21°
Clear
💧 31% 💨 9.7 km/h
10 PM
Clear
19°
Clear
💧 32% 💨 7.2 km/h
11 PM
Clear
18°
Clear
💧 33% 💨 5 km/h

3-Day Forecast

Daily overview for Hartford, South Dakota

Today
Sunny
Sunny
30° / 15°
🌧️ 0% chance of rain
💧 Avg. humidity: 53%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:50 AM
🌇 Sunset: 08:08 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Thundery outbreaks in nearby
Thundery outbreaks in nearby
27° / 9°
🌧️ 0% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 28.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:48 AM
🌇 Sunset: 08:09 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Patchy rain nearby
Patchy rain nearby
16° / 11°
🌧️ 88% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 27.4 km/h
🌧️ Total precip: 3.5 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:46 AM
🌇 Sunset: 08:10 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Hartford

Plan your trip to Hartford, 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 Hartford 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Hartford?
Current conditions in Hartford: Partly cloudy, temperature 27°C, humidity 26%.
What is the best time to visit Hartford?
The best time to visit Hartford is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Hartford?
Hartford is located at approximately 43.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Hartford?
The wettest period in Hartford is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Hartford?
For visits to Hartford during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Hartford in?
Hartford is located in United States, in the state of South Dakota.
What are the public holidays in Hartford in 2026?
View the 2026 public holidays for Hartford on our Holidays page.
What are the GPS coordinates used for the weather forecast in Hartford?
The weather forecast for Hartford uses coordinates 43.6226, -96.9459.