Johnstown weather in March: Johnstown, Pennsylvania: normal highs, lows, rain and records for March
Johnstown in March has a normal high of 45°F and a normal low of 28°F, a daily mean of 36°F, rising from 40°F on the 1st to 51°F by the 31st. Measurable precipitation falls on 14 days in a normal March, 3.12 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 7°C and low of −2°C, 79 mm of precipitation in March.
- NOAA stationJohnstown Cambria County Airport
- Station IDUSW00004726
- Location40.32°N 78.83°W
- Elevation2,284 ft (696 m)
- From the center5 miles
- Population17,853
- Jan 33° 19°
- Feb 36° 21°
- Mar 45° 28°
- Apr 58° 38°
- May 68° 49°
- Jun 75° 57°
- Jul 79° 61°
- Aug 77° 60°
- Sep 71° 53°
- Oct 59° 43°
- Nov 47° 33°
- Dec 38° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Johnstown in March?
The normal high is 45°F and the normal low 28°F, for a daily mean of 36.4°F. March is 7.7°F warmer than February and 11.7°F cooler than April. March is the 9th warmest month of the year in Johnstown and the 7th wettest. Across the month the normal high rises 11°F, from 40°F on March 1 to 51°F on March 31. From one year to the next March's mean temperature typically moves about 4.6°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 32°F and 41°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 47%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 40°F | 24°F | 46% | 23% |
| March 8 | 42°F | 26°F | 45% | 23% |
| March 15 | 44°F | 28°F | 45% | 23% |
| March 22 | 47°F | 30°F | 46% | 25% |
| March 31 | 51°F | 33°F | 47% | 26% |
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 | 40°F | 24°F | 46% | 23% | 11 h 10 min |
| March 2 | 40°F | 24°F | 45% | 23% | 11 h 20 min |
| March 3 | 40°F | 25°F | 45% | 23% | 11 h 20 min |
| March 4 | 41°F | 25°F | 45% | 23% | 11 h 20 min |
| March 5 | 41°F | 25°F | 45% | 23% | 11 h 30 min |
| March 6 | 41°F | 25°F | 45% | 23% | 11 h 30 min |
| March 7 | 41°F | 26°F | 45% | 23% | 11 h 30 min |
| March 8 | 42°F | 26°F | 45% | 23% | 11 h 30 min |
| March 9 | 42°F | 26°F | 45% | 23% | 11 h 40 min |
| March 10 | 42°F | 26°F | 45% | 23% | 11 h 40 min |
| March 11 | 43°F | 27°F | 45% | 23% | 11 h 40 min |
| March 12 | 43°F | 27°F | 45% | 23% | 11 h 40 min |
| March 13 | 43°F | 27°F | 45% | 23% | 11 h 50 min |
| March 14 | 44°F | 27°F | 45% | 23% | 11 h 50 min |
| March 15 | 44°F | 28°F | 45% | 23% | 11 h 50 min |
| March 16 | 44°F | 28°F | 45% | 24% | 11 h 50 min |
| March 17 | 45°F | 28°F | 45% | 24% | 12 h |
| March 18 | 45°F | 28°F | 46% | 24% | 12 h |
| March 19 | 46°F | 29°F | 46% | 24% | 12 h |
| March 20 | 46°F | 29°F | 46% | 24% | 12 h 10 min |
| March 21 | 46°F | 29°F | 46% | 24% | 12 h 10 min |
| March 22 | 47°F | 30°F | 46% | 25% | 12 h 10 min |
| March 23 | 47°F | 30°F | 46% | 25% | 12 h 10 min |
| March 24 | 48°F | 30°F | 46% | 25% | 12 h 20 min |
| March 25 | 48°F | 31°F | 46% | 25% | 12 h 20 min |
| March 26 | 48°F | 31°F | 47% | 25% | 12 h 20 min |
| March 27 | 49°F | 31°F | 47% | 26% | 12 h 20 min |
| March 28 | 49°F | 32°F | 47% | 26% | 12 h 30 min |
| March 29 | 50°F | 32°F | 47% | 26% | 12 h 30 min |
| March 30 | 50°F | 32°F | 47% | 26% | 12 h 30 min |
| March 31 | 51°F | 33°F | 47% | 26% | 12 h 40 min |
- Normal high
- 45°FMarch average
- Normal low
- 28°FMarch average
- Precipitation
- 3.12 inmonth total
- Days with precipitation
- 140.01 inch or more
- Nights at 32°F or colder
- 21
- Daylight
- 11 h 10 min to 12 h 40 minMarch 1 to March 31
- Days at 70°F or more
- 1
- Sunshine
- 62%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00004726; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Johnstown in March?
On a given March day the chance of 0.01 inch or more is 46% on average, highest around March 31 (47%). In all, 3.12 in falls on 14 days of a normal March.
In a normal March in Johnstown, 21 nights fall to freezing and 6 days stay below freezing all day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00004726.
How humid and windy is Johnstown in March?
At 3 p.m. the normal temperature is 48°F with 52% relative humidity and a dew point of 31°F; at 6 a.m. it is 36°F with 74% humidity. The wind averages 10.5 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. | 36°F | 29°F | 74% | 9.1 mph | – |
| 9 a.m. | 40°F | 30°F | 68% | 10.3 mph | – |
| noon | 45°F | 31°F | 56% | 11.7 mph | – |
| 3 p.m. | 48°F | 31°F | 52% | 12.5 mph | – |
| 6 p.m. | 46°F | 30°F | 54% | 11.2 mph | – |
| 9 p.m. | 42°F | 30°F | 62% | 9.8 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00004726. 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 Johnstown?
The warmest March temperature on this station's record (since 2000) is 78°F, on March 22, 2026; the coldest is −2°F, on March 6, 2015. The wettest March brought 6.15 in (2026).
The March mean against the 1991-2020 normal of 36.4°F: 2021 41.2°F (+4.8), 2022 40.0°F (+3.6), 2023 36.6°F (+0.2), 2024 42.3°F (+5.9), 2025 42.1°F (+5.7), 2026 44.9°F (+8.5). 6 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 41.2°F | +4.8°F | 2.82 in |
| 2022 | 40.0°F | +3.6°F | 1.98 in |
| 2023 | 36.6°F | +0.2°F | 3.48 in |
| 2024 | 42.3°F | +5.9°F | 3.63 in |
| 2025 | 42.1°F | +5.7°F | 1.98 in |
| 2026 | 44.9°F | +8.5°F | 6.15 in |
Source: records: ACIS, station USW00004726; recent months: ACIS, station USW00004726. Records and recent months use complete months only.
How does March in Johnstown compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, March normal highs run from 40°F in Laporte to 53°F in Marcus Hook; Johnstown's is 45°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Johnstown in February36°F by day, 21°F at night
- Johnstown in April58°F by day, 38°F at night
- Johnstown through the yearEvery month, frost dates, records and recent years
- Pennsylvania in MarchThe statewide normal and the warmest and coolest places
- Marcus Hook: Pennsylvania's warmest Marchnormal high 53°F