🇺🇸 Weather in Fort Smith
Map Overlays:
Hourly Forecast for Fort Smith
09:00
27°
9%
10:00
30°
7%
11:00
32°
7%
12:00
33°
6%
13:00
34°
5%
14:00
34°
4%
15:00
34°
4%
16:00
34°
4%
17:00
33°
2%
18:00
31°
3%
19:00
29°
5%
20:00
27°
6%
21:00
26°
5%
22:00
26°
6%
23:00
25°
7%
00:00
24°
50%
01:00
23°
35%
02:00
22°
77%
03:00
22°
88%
04:00
21°
80%
05:00
20°
54%
06:00
20°
57%
07:00
20°
43%
08:00
21°
33%
14-Day Forecast for Fort Smith
2026-06-13
Sunny
35° /
22°
2026-06-14
Moderate rain
28° /
20°
2026-06-15
Moderate rain
23° /
16°
2026-06-16
Sunny
28° /
14°
2026-06-17
Sunny
34° /
17°
2026-06-18
Patchy rain nearby
32° /
24°
2026-06-19
Sunny
32° /
23°
Additional Forecasts for Fort Smith
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 116.0 μg/m³
O₃ (Ozone) 56.0 μg/m³
NO₂ (Nitrogen Dioxide) 2.4 μg/m³
SO₂ (Sulphur Dioxide) 0.5 μg/m³
PM2.5 (Fine particles) 4.2 μg/m³
PM10 (Coarse particles) 5.0 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Fort Smith — FAQ
Answers refreshed each request based on current conditions in Fort Smith.
What is the weather like right now in Fort Smith?
Right now in Fort Smith, United States the temperature is 23.3°C (feels like 25.4°C), with sunny. Relative humidity is 97% and wind is 3.6 km/h.
What is today's high and low temperature in Fort Smith?
Today's forecast high in Fort Smith is 34.7°C and the overnight low is 22.1°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Fort Smith today?
The chance of precipitation in Fort Smith today is 8%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Fort Smith differ from nearby cities?
Even short distances can change temperatures noticeably. Fort Smith's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.