Washington weather in March: Washington, District of Columbia: normal highs, lows, rain and records for March
Washington in March has a normal high of 57°F and a normal low of 39°F, a daily mean of 48°F, rising from 52°F on the 1st to 62°F by the 31st. Measurable precipitation falls on 11 days in a normal March, 3.50 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 4°C, 89 mm of precipitation and 5 cm of snow in March.
- NOAA stationWashington Reagan Airport
- Station IDUSW00013743
- Location38.85°N 77.03°W
- Elevation10 ft (3 m)
- From the center4 miles
- Population702,250
- Jan 45° 30°
- Feb 48° 32°
- Mar 57° 39°
- Apr 68° 48°
- May 77° 58°
- Jun 85° 68°
- Jul 90° 72°
- Aug 88° 71°
- Sep 81° 64°
- Oct 69° 52°
- Nov 58° 42°
- Dec 49° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Washington in March?
The normal high is 57°F and the normal low 39°F, for a daily mean of 47.6°F. March is 7.6°F warmer than February and 10.6°F cooler than April. March is the 9th warmest month of the year in Washington and the 6th wettest. Across the month the normal high rises 10°F, from 52°F on March 1 to 62°F on March 31. From one year to the next March's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 44°F and 51°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 52°F | 35°F | 34% | 20% |
| March 8 | 54°F | 36°F | 34% | 21% |
| March 15 | 56°F | 38°F | 35% | 21% |
| March 22 | 58°F | 40°F | 36% | 21% |
| March 31 | 62°F | 43°F | 36% | 21% |
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 | 52°F | 35°F | 34% | 20% | 11 h 20 min |
| March 2 | 52°F | 35°F | 34% | 21% | 11 h 20 min |
| March 3 | 52°F | 35°F | 34% | 21% | 11 h 20 min |
| March 4 | 53°F | 35°F | 34% | 21% | 11 h 20 min |
| March 5 | 53°F | 36°F | 34% | 21% | 11 h 30 min |
| March 6 | 53°F | 36°F | 34% | 21% | 11 h 30 min |
| March 7 | 53°F | 36°F | 34% | 21% | 11 h 30 min |
| March 8 | 54°F | 36°F | 34% | 21% | 11 h 40 min |
| March 9 | 54°F | 37°F | 34% | 21% | 11 h 40 min |
| March 10 | 54°F | 37°F | 34% | 20% | 11 h 40 min |
| March 11 | 55°F | 37°F | 34% | 20% | 11 h 40 min |
| March 12 | 55°F | 37°F | 35% | 21% | 11 h 50 min |
| March 13 | 55°F | 38°F | 35% | 21% | 11 h 50 min |
| March 14 | 56°F | 38°F | 35% | 21% | 11 h 50 min |
| March 15 | 56°F | 38°F | 35% | 21% | 11 h 50 min |
| March 16 | 56°F | 39°F | 35% | 21% | 12 h |
| March 17 | 57°F | 39°F | 35% | 21% | 12 h |
| March 18 | 57°F | 39°F | 35% | 21% | 12 h |
| March 19 | 57°F | 39°F | 35% | 21% | 12 h |
| March 20 | 58°F | 40°F | 35% | 21% | 12 h 10 min |
| March 21 | 58°F | 40°F | 36% | 21% | 12 h 10 min |
| March 22 | 58°F | 40°F | 36% | 21% | 12 h 10 min |
| March 23 | 59°F | 41°F | 36% | 21% | 12 h 10 min |
| March 24 | 59°F | 41°F | 36% | 21% | 12 h 20 min |
| March 25 | 60°F | 41°F | 36% | 21% | 12 h 20 min |
| March 26 | 60°F | 42°F | 36% | 21% | 12 h 20 min |
| March 27 | 60°F | 42°F | 36% | 21% | 12 h 20 min |
| March 28 | 61°F | 42°F | 36% | 21% | 12 h 30 min |
| March 29 | 61°F | 42°F | 36% | 21% | 12 h 30 min |
| March 30 | 62°F | 43°F | 36% | 21% | 12 h 30 min |
| March 31 | 62°F | 43°F | 36% | 21% | 12 h 30 min |
- Normal high
- 57°FMarch average
- Normal low
- 39°FMarch average
- Precipitation
- 3.50 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 2.0 inmonth total
- Nights at 32°F or colder
- 8
- Daylight
- 11 h 20 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 4
- Days at 80°F or more
- 1
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013743; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Washington in March?
On a given March day the chance of 0.01 inch or more is 35% on average, highest around March 31 (36%). In all, 3.50 in falls on 11 days of a normal March, 1 of them with an inch or more.
In a normal March in Washington, 8 nights fall to freezing and snowfall averages 2.0 inches.
Snow falls on 1 day in a normal March, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013743.
How humid and windy is Washington in March?
At 3 p.m. the normal temperature is 59°F with 42% relative humidity and a dew point of 36°F; at 6 a.m. it is 46°F with 69% humidity. The wind averages 10.1 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 46°F | 36°F | 69% | 8.5 mph | 33% |
| 9 a.m. | 50°F | 36°F | 58% | 10.6 mph | 24% |
| noon | 56°F | 36°F | 47% | 11.3 mph | 22% |
| 3 p.m. | 59°F | 36°F | 42% | 12.1 mph | 22% |
| 6 p.m. | 57°F | 36°F | 45% | 11.3 mph | 26% |
| 9 p.m. | 53°F | 37°F | 54% | 9.6 mph | 39% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013743. 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 Washington?
The warmest March temperature on Washington's official record (since 1871) is 93°F, on March 23, 1907; the coldest is 4°F, on March 4, 1873. The wettest March brought 8.84 in (1891); the snowiest, 19.3 inches (1914).
The March mean against the 1991-2020 normal of 47.6°F: 2021 51.2°F (+3.6), 2022 50.4°F (+2.8), 2023 49.1°F (+1.5), 2024 51.9°F (+4.3), 2025 54.3°F (+6.7), 2026 52.7°F (+5.1). 6 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 51.2°F | +3.6°F | 3.80 in |
| 2022 | 50.4°F | +2.8°F | 2.77 in |
| 2023 | 49.1°F | +1.5°F | 1.60 in |
| 2024 | 51.9°F | +4.3°F | 4.89 in |
| 2025 | 54.3°F | +6.7°F | 2.49 in |
| 2026 | 52.7°F | +5.1°F | 1.90 in |
Source: records: ACIS, NWS threaded record DCAthr; recent months: ACIS, station USW00013743. Records and recent months use complete months only.
How does March in Washington compare across District of Columbia?
Across the 1 places PlainClimate covers in District of Columbia, March normal highs run from 57°F in Washington to 57°F in Washington; Washington's is 57°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.