Fort Smith weather in March: Fort Smith, Arkansas: normal highs, lows, rain and records for March
Fort Smith in March has a normal high of 66°F and a normal low of 42°F, a daily mean of 54°F, rising from 61°F on the 1st to 71°F by the 31st. Measurable precipitation falls on 10 days in a normal March, 3.90 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 5°C, 99 mm of precipitation and 1 cm of snow in March.
- NOAA stationFort Smith Regional Airport
- Station IDUSW00013964
- Location35.33°N 94.36°W
- Elevation449 ft (137 m)
- From the center1 miles
- Population90,507
- Jan 51° 30°
- Feb 57° 33°
- Mar 66° 42°
- Apr 75° 50°
- May 81° 60°
- Jun 89° 68°
- Jul 94° 72°
- Aug 94° 71°
- Sep 87° 63°
- Oct 76° 51°
- Nov 63° 40°
- Dec 53° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fort Smith in March?
The normal high is 66°F and the normal low 42°F, for a daily mean of 53.5°F. March is 8.5°F warmer than February and 8.6°F cooler than April. March is the 8th warmest month of the year in Fort Smith and the 6th wettest. Across the month the normal high rises 10°F, from 61°F on March 1 to 71°F on March 31. From one year to the next March's mean temperature typically moves about 3.7°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 50°F and 57°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 32%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 61°F | 37°F | 30% | 18% |
| March 8 | 63°F | 39°F | 31% | 18% |
| March 15 | 65°F | 41°F | 32% | 19% |
| March 22 | 68°F | 43°F | 32% | 20% |
| March 31 | 71°F | 46°F | 32% | 20% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 61°F | 37°F | 30% | 18% | 11 h 20 min |
| March 2 | 61°F | 38°F | 30% | 18% | 11 h 30 min |
| March 3 | 61°F | 38°F | 30% | 18% | 11 h 30 min |
| March 4 | 62°F | 38°F | 30% | 18% | 11 h 30 min |
| March 5 | 62°F | 39°F | 30% | 18% | 11 h 30 min |
| March 6 | 62°F | 39°F | 30% | 18% | 11 h 30 min |
| March 7 | 63°F | 39°F | 31% | 18% | 11 h 40 min |
| March 8 | 63°F | 39°F | 31% | 18% | 11 h 40 min |
| March 9 | 63°F | 40°F | 31% | 19% | 11 h 40 min |
| March 10 | 64°F | 40°F | 31% | 19% | 11 h 40 min |
| March 11 | 64°F | 40°F | 31% | 19% | 11 h 50 min |
| March 12 | 64°F | 41°F | 32% | 19% | 11 h 50 min |
| March 13 | 65°F | 41°F | 32% | 19% | 11 h 50 min |
| March 14 | 65°F | 41°F | 32% | 19% | 11 h 50 min |
| March 15 | 65°F | 41°F | 32% | 19% | 11 h 50 min |
| March 16 | 66°F | 42°F | 32% | 19% | 12 h |
| March 17 | 66°F | 42°F | 32% | 19% | 12 h |
| March 18 | 66°F | 42°F | 32% | 20% | 12 h |
| March 19 | 67°F | 42°F | 32% | 20% | 12 h |
| March 20 | 67°F | 43°F | 32% | 20% | 12 h 10 min |
| March 21 | 67°F | 43°F | 32% | 20% | 12 h 10 min |
| March 22 | 68°F | 43°F | 32% | 20% | 12 h 10 min |
| March 23 | 68°F | 43°F | 32% | 20% | 12 h 10 min |
| March 24 | 68°F | 44°F | 32% | 20% | 12 h 10 min |
| March 25 | 69°F | 44°F | 32% | 20% | 12 h 20 min |
| March 26 | 69°F | 44°F | 32% | 20% | 12 h 20 min |
| March 27 | 69°F | 45°F | 32% | 20% | 12 h 20 min |
| March 28 | 70°F | 45°F | 32% | 20% | 12 h 20 min |
| March 29 | 70°F | 45°F | 32% | 20% | 12 h 30 min |
| March 30 | 70°F | 45°F | 32% | 20% | 12 h 30 min |
| March 31 | 71°F | 46°F | 32% | 20% | 12 h 30 min |
- Normal high
- 66°FMarch average
- Normal low
- 42°FMarch average
- Precipitation
- 3.90 inmonth total
- Days with precipitation
- 100.01 inch or more
- Snowfall
- 0.3 inmonth total
- Nights at 32°F or colder
- 5
- Daylight
- 11 h 20 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 12
- Days at 80°F or more
- 3
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013964; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Fort Smith in March?
On a given March day the chance of 0.01 inch or more is 31% on average, highest around March 19 (32%). In all, 3.90 in falls on 10 days of a normal March, 1 of them with an inch or more.
In a normal March in Fort Smith, 5 nights fall to freezing and snowfall averages 0.3 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013964.
How humid and windy is Fort Smith in March?
At 3 p.m. the normal temperature is 67°F with 43% relative humidity and a dew point of 44°F; at 6 a.m. it is 50°F with 79% humidity. The wind averages 8.4 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 50°F | 43°F | 79% | 6.4 mph | 54% |
| 9 a.m. | 56°F | 45°F | 66% | 9.1 mph | 52% |
| noon | 63°F | 44°F | 50% | 10.9 mph | 49% |
| 3 p.m. | 67°F | 44°F | 43% | 11.4 mph | 52% |
| 6 p.m. | 65°F | 44°F | 46% | 10.1 mph | 56% |
| 9 p.m. | 58°F | 45°F | 61% | 6.7 mph | 60% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013964. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for March in Fort Smith?
The warmest March temperature on Fort Smith's official record (since 1882) is 95°F, on March 22, 2026; the coldest is 7°F, on March 11, 1948. The wettest March brought 13.03 in (1945); the snowiest, 7.5 inches (2010).
The March mean against the 1991-2020 normal of 53.5°F: 2021 56.8°F (+3.3), 2022 52.6°F (−0.9), 2023 54.0°F (+0.5), 2024 57.9°F (+4.4), 2025 59.4°F (+5.9), 2026 63.4°F (+9.9). 5 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 56.8°F | +3.3°F | 3.61 in |
| 2022 | 52.6°F | −0.9°F | 2.91 in |
| 2023 | 54.0°F | +0.5°F | 7.74 in |
| 2024 | 57.9°F | +4.4°F | 6.04 in |
| 2025 | 59.4°F | +5.9°F | 1.70 in |
| 2026 | 63.4°F | +9.9°F | 2.57 in |
Source: records: ACIS, NWS threaded record FSMthr; recent months: ACIS, station USW00013964. Records and recent months use complete months only.
How does March in Fort Smith compare across Arkansas?
Across the 86 places PlainClimate covers in Arkansas, March normal highs run from 55°F in Deer to 70°F in Crossett; Fort Smith's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.