Arcata weather in March: Arcata, California: normal highs, lows, rain and records for March
Arcata in March has a normal high of 57°F and a normal low of 41°F, a daily mean of 49°F, holding near 57°F all month. Measurable precipitation falls on 18 days in a normal March, 6.28 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 5°C, 160 mm of precipitation in March.
- NOAA stationArcata Eureka Airport
- Station IDUSW00024283
- Location40.98°N 124.11°W
- Elevation200 ft (61 m)
- Population18,748
- Jan 56° 41°
- Feb 57° 41°
- Mar 57° 41°
- Apr 58° 43°
- May 60° 46°
- Jun 63° 49°
- Jul 63° 51°
- Aug 65° 51°
- Sep 65° 49°
- Oct 64° 45°
- Nov 59° 42°
- Dec 56° 40°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Arcata in March?
The normal high is 57°F and the normal low 41°F, for a daily mean of 49.0°F. March is 0.4°F warmer than February and 1.3°F cooler than April. March is the 9th warmest month of the year in Arcata and the 4th wettest. From one year to the next March's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 47°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 61%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 57°F | 41°F | 61% | 41% |
| March 8 | 57°F | 41°F | 59% | 40% |
| March 15 | 57°F | 41°F | 58% | 38% |
| March 22 | 57°F | 42°F | 57% | 38% |
| March 31 | 57°F | 42°F | 55% | 36% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 30, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 57°F | 41°F | 61% | 41% | 11 h 10 min |
| March 2 | 57°F | 41°F | 61% | 41% | 11 h 20 min |
| March 3 | 57°F | 41°F | 60% | 41% | 11 h 20 min |
| March 4 | 57°F | 41°F | 60% | 40% | 11 h 20 min |
| March 5 | 57°F | 41°F | 60% | 40% | 11 h 20 min |
| March 6 | 57°F | 41°F | 60% | 40% | 11 h 30 min |
| March 7 | 57°F | 41°F | 60% | 40% | 11 h 30 min |
| March 8 | 57°F | 41°F | 59% | 40% | 11 h 30 min |
| March 9 | 57°F | 41°F | 59% | 39% | 11 h 40 min |
| March 10 | 57°F | 41°F | 59% | 39% | 11 h 40 min |
| March 11 | 57°F | 41°F | 59% | 39% | 11 h 40 min |
| March 12 | 57°F | 41°F | 59% | 39% | 11 h 40 min |
| March 13 | 57°F | 41°F | 58% | 39% | 11 h 50 min |
| March 14 | 57°F | 41°F | 58% | 39% | 11 h 50 min |
| March 15 | 57°F | 41°F | 58% | 38% | 11 h 50 min |
| March 16 | 57°F | 41°F | 58% | 38% | 11 h 50 min |
| March 17 | 57°F | 42°F | 58% | 38% | 12 h |
| March 18 | 57°F | 42°F | 58% | 38% | 12 h |
| March 19 | 57°F | 42°F | 57% | 38% | 12 h |
| March 20 | 57°F | 42°F | 57% | 38% | 12 h 10 min |
| March 21 | 57°F | 42°F | 57% | 38% | 12 h 10 min |
| March 22 | 57°F | 42°F | 57% | 38% | 12 h 10 min |
| March 23 | 57°F | 42°F | 57% | 37% | 12 h 10 min |
| March 24 | 57°F | 42°F | 57% | 37% | 12 h 20 min |
| March 25 | 57°F | 42°F | 56% | 37% | 12 h 20 min |
| March 26 | 57°F | 42°F | 56% | 37% | 12 h 20 min |
| March 27 | 57°F | 42°F | 56% | 37% | 12 h 20 min |
| March 28 | 57°F | 42°F | 56% | 36% | 12 h 30 min |
| March 29 | 57°F | 42°F | 55% | 36% | 12 h 30 min |
| March 30 | 57°F | 42°F | 55% | 36% | 12 h 30 min |
| March 31 | 57°F | 42°F | 55% | 36% | 12 h 40 min |
- Normal high
- 57°FMarch average
- Normal low
- 41°FMarch average
- Precipitation
- 6.28 inmonth total
- Days with precipitation
- 180.01 inch or more
- Nights at 32°F or colder
- 2
- Daylight
- 11 h 10 min to 12 h 40 minMarch 1 to March 31
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024283; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Arcata in March?
On a given March day the chance of 0.01 inch or more is 58% on average, highest around March 1 (61%). In all, 6.28 in falls on 18 days of a normal March, 2 of them with an inch or more.
In a normal March in Arcata, 2 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024283.
How humid and windy is Arcata in March?
At 3 p.m. the normal temperature is 54°F with 72% relative humidity and a dew point of 45°F; at 6 a.m. it is 44°F with 90% humidity. The wind averages 7.1 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 44°F | 41°F | 90% | 5.1 mph | – |
| 9 a.m. | 51°F | 44°F | 78% | 6.0 mph | 40% |
| noon | 54°F | 45°F | 73% | 10.7 mph | 46% |
| 3 p.m. | 54°F | 45°F | 72% | 11.7 mph | 52% |
| 6 p.m. | 52°F | 44°F | 76% | 8.5 mph | 42% |
| 9 p.m. | 47°F | 44°F | 87% | 5.0 mph | 44% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024283. 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 Arcata?
The warmest March temperature on this station's record (since 1945) is 76°F, on March 31, 2000; the coldest is 27°F, on March 16, 2021. The wettest March brought 12.65 in (2012).
The March mean against the 1991-2020 normal of 49.0°F: 2021 44.3°F (−4.7), 2022 47.7°F (−1.3), 2023 44.3°F (−4.8), 2024 48.5°F (−0.5), 2025 48.7°F (−0.3), 2026 50.5°F (+1.5). 1 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 44.3°F | −4.7°F | 4.29 in |
| 2022 | 47.7°F | −1.3°F | 2.18 in |
| 2023 | 44.3°F | −4.8°F | 9.56 in |
| 2024 | 48.5°F | −0.5°F | 9.78 in |
| 2025 | 48.7°F | −0.3°F | 11.43 in |
| 2026 | 50.5°F | +1.5°F | 0.46 in |
Source: records: ACIS, station USW00024283; recent months: ACIS, station USW00024283. Records and recent months use complete months only.
How does March in Arcata compare across California?
Across the 219 places PlainClimate covers in California, March normal highs run from 43°F in Tahoma to 81°F in Brawley; Arcata's is 57°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.