Westerly weather in March: Westerly, Rhode Island: normal highs, lows, rain and records for March
Westerly in March has a normal high of 47°F and a normal low of 32°F, a daily mean of 40°F, rising from 44°F on the 1st to 51°F by the 31st. Measurable precipitation falls on 10 days in a normal March, 4.17 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 8°C and low of 0°C, 106 mm of precipitation in March.
- NOAA stationWesterly State Airport
- Station IDUSW00014794
- Location41.35°N 71.80°W
- Elevation81 ft (25 m)
- From the center2 miles
- Population (town)23,288
- Census place18,528
- Jan 40° 25°
- Feb 41° 26°
- Mar 47° 32°
- Apr 57° 41°
- May 67° 50°
- Jun 75° 59°
- Jul 82° 66°
- Aug 81° 64°
- Sep 74° 57°
- Oct 64° 47°
- Nov 54° 38°
- Dec 45° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Westerly in March?
The normal high is 47°F and the normal low 32°F, for a daily mean of 39.6°F. March is 6.2°F warmer than February and 9.3°F cooler than April. March is the 9th warmest month of the year in Westerly and the 2nd wettest. Across the month the normal high rises 7°F, from 44°F on March 1 to 51°F on March 31. From one year to the next March's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 37°F and 43°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 44°F | 28°F | 31% | 20% |
| March 8 | 45°F | 30°F | 31% | 20% |
| March 15 | 47°F | 32°F | 32% | 20% |
| March 22 | 49°F | 33°F | 33% | 21% |
| March 31 | 51°F | 36°F | 35% | 22% |
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 | 44°F | 28°F | 31% | 20% | 11 h 10 min |
| March 2 | 44°F | 29°F | 31% | 20% | 11 h 20 min |
| March 3 | 44°F | 29°F | 31% | 20% | 11 h 20 min |
| March 4 | 44°F | 29°F | 31% | 20% | 11 h 20 min |
| March 5 | 45°F | 29°F | 31% | 20% | 11 h 20 min |
| March 6 | 45°F | 30°F | 31% | 20% | 11 h 30 min |
| March 7 | 45°F | 30°F | 31% | 20% | 11 h 30 min |
| March 8 | 45°F | 30°F | 31% | 20% | 11 h 30 min |
| March 9 | 45°F | 30°F | 31% | 20% | 11 h 40 min |
| March 10 | 46°F | 31°F | 31% | 20% | 11 h 40 min |
| March 11 | 46°F | 31°F | 31% | 20% | 11 h 40 min |
| March 12 | 46°F | 31°F | 32% | 20% | 11 h 40 min |
| March 13 | 46°F | 31°F | 32% | 20% | 11 h 50 min |
| March 14 | 47°F | 31°F | 32% | 20% | 11 h 50 min |
| March 15 | 47°F | 32°F | 32% | 20% | 11 h 50 min |
| March 16 | 47°F | 32°F | 32% | 20% | 11 h 50 min |
| March 17 | 47°F | 32°F | 32% | 20% | 12 h |
| March 18 | 48°F | 32°F | 32% | 20% | 12 h |
| March 19 | 48°F | 33°F | 32% | 21% | 12 h |
| March 20 | 48°F | 33°F | 32% | 21% | 12 h 10 min |
| March 21 | 48°F | 33°F | 33% | 21% | 12 h 10 min |
| March 22 | 49°F | 33°F | 33% | 21% | 12 h 10 min |
| March 23 | 49°F | 34°F | 33% | 21% | 12 h 10 min |
| March 24 | 49°F | 34°F | 33% | 21% | 12 h 20 min |
| March 25 | 49°F | 34°F | 33% | 21% | 12 h 20 min |
| March 26 | 50°F | 35°F | 34% | 21% | 12 h 20 min |
| March 27 | 50°F | 35°F | 34% | 22% | 12 h 30 min |
| March 28 | 50°F | 35°F | 34% | 22% | 12 h 30 min |
| March 29 | 51°F | 35°F | 35% | 22% | 12 h 30 min |
| March 30 | 51°F | 36°F | 35% | 22% | 12 h 30 min |
| March 31 | 51°F | 36°F | 35% | 22% | 12 h 40 min |
- Normal high
- 47°FMarch average
- Normal low
- 32°FMarch average
- Precipitation
- 4.17 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 19
- Daylight
- 11 h 10 min to 12 h 40 minMarch 1 to March 31
- Sunshine
- 71%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014794; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Westerly in March?
On a given March day the chance of 0.01 inch or more is 32% on average, highest around March 31 (35%). In all, 4.17 in falls on 10 days of a normal March, 1 of them with an inch or more.
In a normal March in Westerly, 19 nights fall to freezing and 2 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014794.
What are the records for March in Westerly?
The warmest March temperature on this station's record (since 1999) is 73°F, on March 18, 2011; the coldest is 2°F, on March 1, 2015. The wettest March brought 13.38 in (2010).
The March mean against the 1991-2020 normal of 39.6°F: 2021 37.7°F (−1.9), 2022 40.2°F (+0.6), 2023 40.0°F (+0.4), 2024 43.3°F (+3.7), 2025 40.9°F (+1.3). 4 of 5 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 37.7°F | −1.9°F | 2.72 in |
| 2022 | 40.2°F | +0.6°F | 2.62 in |
| 2023 | 40.0°F | +0.4°F | 2.37 in |
| 2024 | 43.3°F | +3.7°F | 7.61 in |
| 2025 | 40.9°F | +1.3°F | 4.09 in |
Source: records: ACIS, station USW00014794; recent months: ACIS, station USW00014794. Records and recent months use complete months only.
How does March in Westerly compare across Rhode Island?
Across the 6 places PlainClimate covers in Rhode Island, March normal highs run from 46°F in Newport to 49°F in Tiverton; Westerly's is 47°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.