Hartford, SD Weather Forecast

Local 7-day forecast

46°
F

Slight Chance Snow Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Hartford, SD in one place.

Saturday, April 18, 2026
Wind: 20 to 30 mph NW
Saturday

A slight chance of snow showers. Mostly sunny, with a high near 46.

Local 7-day forecast

Local Weather Overview

This forecast page for Hartford, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 2:54 PM CDT.

The active forecast window currently covers Apr 18 to Apr 21, 2026 for Hartford, SD.

Page Snapshot

Page focus
city weather
Forecast window
Apr 18 to Apr 21, 2026
Latest sync
Apr 15, 2026 2:54 PM CDT
Forecast office
FSD
Source
NOAA / NWS
Next High
46°F
Saturday
Next Low
25°F
Saturday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
20 to 30 mph
Saturday

Daily Outlook

Today
Apr 18
Slight Chance Snow Showers
46 °F
/ 25°F
Wind 20 to 30 mph
Sun
Apr 19
Sunny
58 °F
/ 35°F
Wind 10 mph
Mon
Apr 20
Sunny
72 °F
/ 46°F
Wind 15 to 20 mph
Tue
Apr 21
Sunny
74 °F
/ 48°F
Wind 15 to 20 mph

This Week in Hartford

Tuesday looks like the warmest upcoming period in Hartford at 74 degrees F.

Saturday Night is the coolest period ahead with temperatures near 25 degrees F.

The strongest winds are forecast for Saturday at about 20 to 30 mph NW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Apr 15, 2026 2:54 PM CDT
Coverage
4 days
Time zone
America/Chicago
Forecast office
FSD
Radar station
KFSD

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night
Apr 18
25°F
Slight Chance Snow Showers then Partly Cloudy
10 to 25 mph NW

A slight chance of snow showers before 7pm. Partly cloudy, with a low around 25.

Sunday
Apr 19
58°F
Sunny
10 mph WNW

Sunny, with a high near 58.

Sunday Night
Apr 19
35°F
Mostly Clear
10 to 15 mph ENE

Mostly clear, with a low around 35.

Monday
Apr 20
72°F
Sunny
15 to 20 mph SSE

Sunny, with a high near 72.

Monday Night
Apr 20
46°F
Mostly Clear
15 to 20 mph S

Mostly clear, with a low around 46.

Tuesday
Apr 21
74°F
Sunny
15 to 20 mph WSW

Sunny, with a high near 74.

Tuesday Night
Apr 21
48°F
Mostly Clear
15 mph ENE

Mostly clear, with a low around 48.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Apr 18
Slight Chance Snow Showers
46°F
20 to 30 mph
NW
Saturday Night
Apr 18
Slight Chance Snow Showers then Partly Cloudy
25°F
10 to 25 mph
NW
Sunday
Apr 19
Sunny
58°F
10 mph
WNW
Sunday Night
Apr 19
Mostly Clear
35°F
10 to 15 mph
ENE
Monday
Apr 20
Sunny
72°F
15 to 20 mph
SSE
Monday Night
Apr 20
Mostly Clear
46°F
15 to 20 mph
S
Tuesday
Apr 21
Sunny
74°F
15 to 20 mph
WSW
Tuesday Night
Apr 21
Mostly Clear
48°F
15 mph
ENE
Hartford  South Dakota 5
Hartford South Dakota 5 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.