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Now · 1:21 AM

Hartford Weather & Hourly Forecast

United States · South Dakota · 57033

Light rain
70°F
Light rain
Feels like: 71°F
💧 Humidity 89% 🌡 Pressure 29.88 inHg 💨 Wind 13 mph 👁 Visibility 6.2 mi Clouds 80% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:52 AM 🌇 Sunset 8:02 PM

Hourly Forecast for Hartford

Today
Light rain · 2:00 AM Light rain
70° 💧 0.01 in 💨 13 mph H 89%29.88 inHg
Mostly clear night · 5:00 AM Mostly clear night
63° 💧 None 💨 4 mph H 96%29.85 inHg
Mostly cloudy · 8:00 AM Mostly cloudy
62° 💧 None 💨 7 mph H 97%29.88 inHg
Partly cloudy · 11:00 AM Partly cloudy
71° 💧 None 💨 7 mph H 68%29.85 inHg
Sunny · 2:00 PM Sunny
86° 💧 None 💨 4 mph H 42%29.77 inHg
Sunny · 5:00 PM Sunny
90° 💧 None 💨 4 mph H 31%29.71 inHg
Sunny · 8:00 PM Sunny
80° 💧 0.17 in 💨 7 mph H 52%29.71 inHg
Light rain · 11:00 PM Light rain
70° 💧 0.02 in 💨 10 mph H 84%29.77 inHg
Tomorrow
Mostly clear night · 2:00 AM Mostly clear night
67° 💧 0.00 in 💨 10 mph H 89%29.77 inHg
Clear night · 5:00 AM Clear night
65° 💧 None 💨 11 mph H 86%29.74 inHg
Partly cloudy · 8:00 AM Partly cloudy
67° 💧 None 💨 6 mph H 81%29.74 inHg
Overcast · 11:00 AM Overcast
80° 💧 None 💨 6 mph H 45%29.74 inHg
Sunny · 2:00 PM Sunny
97° 💧 None 💨 2 mph H 29%29.68 inHg
Sunny · 5:00 PM Sunny
99° 💧 None 💨 6 mph H 24%29.68 inHg
Sunny · 8:00 PM Sunny
85° 💧 None 💨 5 mph H 39%29.65 inHg
Clear night · 11:00 PM Clear night
81° 💧 None 💨 11 mph H 42%29.71 inHg

In Hartford and, more broadly, across the state of South Dakota: This evening, the sky will be mostly cloudy with mild temperatures ranging from 70 to 72 degrees Fahrenheit. There is a possibility of light rain, with total accumulation expected to be around 0.12 inches. Winds will be coming from the northeast at up to 10 mph, with gusts reaching 26 mph, which may cause some breezy conditions. As the night progresses, cloudy skies are likely to persist, and the chance of rain remains high. Temperatures are expected to stay steady in the low seventies, making for a relatively warm evening. Be prepared for occasional gusts of wind, especially if heading outdoors. Overall, it looks like a damp and breezy night ahead.

15-Day Weather Outlook for Hartford

Wednesday, Sep 2Wed Sep 2 Moderate rain Moderate rain 90°/59° 💧 0.27 in 💨 18 mph
TomorrowTomorrow Light rain Light rain 99°/65° 💧 0.01 in 💨 13 mph
Friday, Sep 4Fri Sep 4 Sunny Sunny 104°/69° 💧 None 💨 10 mph
Saturday, Sep 5Sat Sep 5 Light rain Light rain 103°/69° 💧 0.06 in 💨 17 mph
Sunday, Sep 6Sun Sep 6 Light rain Light rain 98°/69° 💧 0.06 in 💨 16 mph
Monday, Sep 7Mon Sep 7 Light rain Light rain 91°/67° 💧 0.11 in 💨 9 mph
Tuesday, Sep 8Tue Sep 8 Light rain Light rain 82°/66° 💧 0.05 in 💨 16 mph
Wednesday, Sep 9Wed Sep 9 Light rain Light rain 81°/59° 💧 0.00 in 💨 24 mph
Thursday, Sep 10Thu Sep 10 Mostly sunny Mostly sunny 69°/47° 💧 None 💨 14 mph
Friday, Sep 11Fri Sep 11 Light rain Light rain 66°/54° 💧 0.16 in 💨 15 mph
Saturday, Sep 12Sat Sep 12 Partly cloudy Partly cloudy 71°/51° 💧 None 💨 22 mph
Sunday, Sep 13Sun Sep 13 Sunny Sunny 89°/48° 💧 None 💨 16 mph
Monday, Sep 14Mon Sep 14 Mostly cloudy Mostly cloudy 91°/58° 💧 None 💨 12 mph
Tuesday, Sep 15Tue Sep 15 Sunny Sunny 97°/59° 💧 None 💨 10 mph
Wednesday, Sep 16Wed Sep 16 Sunny Sunny 89°/62° 💧 None 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Hartford

Vertical axis: °F · Color based on temperature
Light rain at 2:00 AM
70° Today 2:00 AM
Mostly cloudy night at 3:00 AM
68° 3:00 AM
Partly cloudy night at 4:00 AM
65° 4:00 AM
Mostly clear night at 5:00 AM
63° 5:00 AM
Mostly clear night at 6:00 AM
61° Today 6:00 AM
Partly cloudy at 7:00 AM
60° 7:00 AM
Mostly cloudy at 8:00 AM
62° 8:00 AM
Partly cloudy at 9:00 AM
63° 9:00 AM
Partly cloudy at 10:00 AM
65° Today 10:00 AM
Partly cloudy at 11:00 AM
71° 11:00 AM
Mostly sunny at 12:00 PM
77° 12:00 PM
Mostly sunny at 1:00 PM
82° 1:00 PM
Sunny at 2:00 PM
86° Today 2:00 PM
Sunny at 3:00 PM
88° 3:00 PM
Sunny at 4:00 PM
90° 4:00 PM
Sunny at 5:00 PM
90° 5:00 PM
Sunny at 6:00 PM
89° Today 6:00 PM
Sunny at 7:00 PM
85° 7:00 PM
Sunny at 8:00 PM
80° 8:00 PM
Moderate rain at 9:00 PM
74° 9:00 PM
Light rain at 10:00 PM
73° Today 10:00 PM
Light rain at 11:00 PM
70° 11:00 PM
Light rain at 12:00 AM
68° 12:00 AM
Mostly clear night at 1:00 AM
68° 1:00 AM
Mostly clear night at 2:00 AM
67° Tomorrow 2:00 AM
Clear night at 3:00 AM
67° 3:00 AM
Light rain at 4:00 AM
66° 4:00 AM
Clear night at 5:00 AM
65° 5:00 AM
Clear night at 6:00 AM
65° Tomorrow 6:00 AM
Sunny at 7:00 AM
65° 7:00 AM
Partly cloudy at 8:00 AM
67° 8:00 AM
Mostly cloudy at 9:00 AM
71° 9:00 AM
Overcast at 10:00 AM
75° Tomorrow 10:00 AM
Overcast at 11:00 AM
80° 11:00 AM
Overcast at 12:00 PM
86° 12:00 PM
Mostly cloudy at 1:00 PM
90° 1:00 PM
Sunny at 2:00 PM
97° Tomorrow 2:00 PM
Sunny at 3:00 PM
98° 3:00 PM
Sunny at 4:00 PM
99° 4:00 PM
Sunny at 5:00 PM
99° 5:00 PM
Sunny at 6:00 PM
97° Tomorrow 6:00 PM
Sunny at 7:00 PM
92° 7:00 PM
Sunny at 8:00 PM
85° 8:00 PM
Clear night at 9:00 PM
83° 9:00 PM
Clear night at 10:00 PM
82° Tomorrow 10:00 PM
Clear night at 11:00 PM
81° 11:00 PM
Clear night at 12:00 AM
78° 12:00 AM
Mostly clear night at 1:00 AM
74° 1:00 AM
Overcast night at 2:00 AM
76° Friday 2:00 AM
Mostly cloudy night at 3:00 AM
74° 3:00 AM
Mostly cloudy night at 4:00 AM
72° 4:00 AM
Partly cloudy night at 5:00 AM
73° 5:00 AM
Partly cloudy night at 6:00 AM
71° Friday 6:00 AM
Partly cloudy at 7:00 AM
69° 7:00 AM
Sunny at 8:00 AM
72° 8:00 AM
Sunny at 9:00 AM
78° 9:00 AM
Sunny at 10:00 AM
84° Friday 10:00 AM
Sunny at 11:00 AM
89° 11:00 AM
Sunny at 12:00 PM
93° 12:00 PM
Sunny at 1:00 PM
97° 1:00 PM
Sunny at 2:00 PM
101° Friday 2:00 PM
Sunny at 3:00 PM
103° 3:00 PM
Sunny at 4:00 PM
104° 4:00 PM
Sunny at 5:00 PM
104° 5:00 PM
Sunny at 6:00 PM
103° Friday 6:00 PM
Sunny at 7:00 PM
97° 7:00 PM
Clear night at 8:00 PM
89° 8:00 PM
Clear night at 9:00 PM
86° 9:00 PM
Clear night at 10:00 PM
84° Friday 10:00 PM
Clear night at 11:00 PM
81° 11:00 PM
Clear night at 12:00 AM
76° 12:00 AM
Clear night at 1:00 AM
73° 1:00 AM
Clear night at 2:00 AM
73° Saturday 2:00 AM
Clear night at 3:00 AM
69° 3:00 AM
Mostly clear night at 4:00 AM
69° 4:00 AM
Light rain at 5:00 AM
69° 5:00 AM
Light rain at 6:00 AM
69° Saturday 6:00 AM
Light rain at 7:00 AM
71° 7:00 AM
Light rain at 8:00 AM
72° 8:00 AM
Mostly sunny at 9:00 AM
74° 9:00 AM
Mostly sunny at 10:00 AM
80° Saturday 10:00 AM
Mostly sunny at 11:00 AM
87° 11:00 AM
Mostly sunny at 12:00 PM
94° 12:00 PM
Mostly sunny at 1:00 PM
98° 1:00 PM
Mostly cloudy at 2:00 PM
101° Saturday 2:00 PM
Overcast at 3:00 PM
102° 3:00 PM
Overcast at 4:00 PM
103° 4:00 PM
Mostly cloudy at 5:00 PM
103° 5:00 PM
Mostly cloudy at 6:00 PM
101° Saturday 6:00 PM
Light rain at 7:00 PM
94° 7:00 PM
Light rain at 8:00 PM
77° 8:00 PM
Light rain at 9:00 PM
73° 9:00 PM
Overcast night at 10:00 PM
84° Saturday 10:00 PM
Overcast night at 11:00 PM
86° 11:00 PM
Light rain at 12:00 AM
74° 12:00 AM
Light rain at 1:00 AM
70° 1:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Hartford

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 2:00 AM
PM2.5 Fine particles Good 7,2µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 7,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 31,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 3,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Hartford

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 7,5High 😊Good
Tomorrow UV 6,9High 🙂Fair
Friday UV 6,9High 🙂Fair
Saturday UV 5,3Moderate 🙂Fair
Sunday UV 8,0Very high 😊Good
Monday UV 8,0Very high Unavailable
Tuesday UV 6,0High Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,1 10:00 AMUV 2,6 11:00 AMUV 4,6 12:00 PMUV 6,4 1:00 PMUV 7,5 2:00 PMUV 7,5 3:00 PMUV 6,4 4:00 PMUV 4,5 5:00 PMUV 2,6 6:00 PMUV 1,1
Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Hartford

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 2:00 AM 3:00 AM 4:00 AM 5:00 AM Today 6:00 AM 7:00 AM 8:00 AM 9:00 AM Today 10:00 AM 11:00 AM 12:00 PM 1:00 PM Today 2:00 PM 3:00 PM 4:00 PM 5:00 PM Today 6:00 PM 7:00 PM 8:00 PM 9:00 PM Today 10:00 PM 11:00 PM 12:00 AM 1:00 AM Tomorrow 2:00 AM 3:00 AM 4:00 AM 5:00 AM Tomorrow 6:00 AM 7:00 AM 8:00 AM 9:00 AM Tomorrow 10:00 AM 11:00 AM 12:00 PM 1:00 PM Tomorrow 2:00 PM 3:00 PM 4:00 PM 5:00 PM Tomorrow 6:00 PM 7:00 PM 8:00 PM 9:00 PM Tomorrow 10:00 PM 11:00 PM 12:00 AM 1:00 AM Friday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Friday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Friday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Friday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Friday 6:00 PM 7:00 PM 8:00 PM 9:00 PM Friday 10:00 PM 11:00 PM 12:00 AM 1:00 AM Saturday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Saturday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Saturday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Saturday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Saturday 6:00 PM 7:00 PM 8:00 PM 9:00 PM Saturday 10:00 PM 11:00 PM 12:00 AM 1:00 AM
Sustained wind Max gusts
Internal PR simulation: 3.86 Population: 3,478

Forecast data for Hartford were last refreshed today at 1:20 AM. The current forecast period extends through 03/09/2026 at 11:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.