Portland weather in April: Portland, Oregon: normal highs, lows, rain and records for April
Portland in April has a normal high of 62°F and a normal low of 44°F, a daily mean of 53°F, rising from 59°F on the 1st to 66°F by the 30th. Measurable precipitation falls on 17 days in a normal April, 2.89 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 17°C and low of 7°C, 73 mm of precipitation in April.
- NOAA stationPortland International Airport
- Station IDUSW00024229
- Location45.59°N 122.60°W
- Elevation19 ft (6 m)
- From the center4 miles
- Population635,749
- Jan 48° 36°
- Feb 52° 37°
- Mar 57° 40°
- Apr 62° 44°
- May 69° 49°
- Jun 74° 54°
- Jul 82° 59°
- Aug 82° 59°
- Sep 77° 54°
- Oct 64° 47°
- Nov 54° 41°
- Dec 47° 36°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Portland in April?
The normal high is 62°F and the normal low 44°F, for a daily mean of 52.8°F. April is 4.5°F warmer than March and 6.6°F cooler than May. April is the 7th warmest month of the year in Portland and the 7th wettest. Across the month the normal high rises 7°F, from 59°F on April 1 to 66°F on April 30. From one year to the next April's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 51°F and 55°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 58%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 59°F | 42°F | 58% | 33% |
| April 8 | 60°F | 43°F | 58% | 32% |
| April 15 | 62°F | 44°F | 57% | 30% |
| April 22 | 63°F | 45°F | 54% | 28% |
| April 30 | 66°F | 46°F | 51% | 26% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 59°F | 42°F | 58% | 33% | 12 h 40 min |
| April 2 | 59°F | 42°F | 58% | 33% | 12 h 50 min |
| April 3 | 59°F | 42°F | 58% | 33% | 12 h 50 min |
| April 4 | 60°F | 42°F | 58% | 33% | 12 h 50 min |
| April 5 | 60°F | 42°F | 58% | 33% | 13 h |
| April 6 | 60°F | 42°F | 58% | 32% | 13 h |
| April 7 | 60°F | 42°F | 58% | 32% | 13 h |
| April 8 | 60°F | 43°F | 58% | 32% | 13 h 10 min |
| April 9 | 60°F | 43°F | 58% | 32% | 13 h 10 min |
| April 10 | 61°F | 43°F | 58% | 32% | 13 h 10 min |
| April 11 | 61°F | 43°F | 58% | 31% | 13 h 20 min |
| April 12 | 61°F | 43°F | 58% | 31% | 13 h 20 min |
| April 13 | 61°F | 43°F | 57% | 31% | 13 h 20 min |
| April 14 | 61°F | 43°F | 57% | 31% | 13 h 30 min |
| April 15 | 62°F | 44°F | 57% | 30% | 13 h 30 min |
| April 16 | 62°F | 44°F | 56% | 30% | 13 h 30 min |
| April 17 | 62°F | 44°F | 56% | 30% | 13 h 30 min |
| April 18 | 62°F | 44°F | 56% | 29% | 13 h 40 min |
| April 19 | 63°F | 44°F | 55% | 29% | 13 h 40 min |
| April 20 | 63°F | 44°F | 55% | 29% | 13 h 40 min |
| April 21 | 63°F | 44°F | 55% | 29% | 13 h 50 min |
| April 22 | 63°F | 45°F | 54% | 28% | 13 h 50 min |
| April 23 | 64°F | 45°F | 54% | 28% | 13 h 50 min |
| April 24 | 64°F | 45°F | 53% | 28% | 14 h |
| April 25 | 64°F | 45°F | 53% | 28% | 14 h |
| April 26 | 65°F | 45°F | 53% | 27% | 14 h |
| April 27 | 65°F | 46°F | 52% | 27% | 14 h |
| April 28 | 65°F | 46°F | 52% | 27% | 14 h 10 min |
| April 29 | 65°F | 46°F | 51% | 27% | 14 h 10 min |
| April 30 | 66°F | 46°F | 51% | 26% | 14 h 10 min |
- Normal high
- 62°FApril average
- Normal low
- 44°FApril average
- Precipitation
- 2.89 inmonth total
- Days with precipitation
- 170.01 inch or more
- Daylight
- 12 h 40 min to 14 h 10 minApril 1 to April 30
- Days at 70°F or more
- 5
- Days at 80°F or more
- 1
- Sunshine
- 63%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024229; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Portland in April?
On a given April day the chance of 0.01 inch or more is 56% on average, highest around April 5 (58%). In all, 2.89 in falls on 17 days of a normal April.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024229.
How humid and windy is Portland in April?
At 3 p.m. the normal temperature is 63°F with 47% relative humidity and a dew point of 43°F; at 6 a.m. it is 48°F with 84% humidity. The wind averages 6.9 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. | 48°F | 44°F | 84% | 4.7 mph | – |
| 9 a.m. | 54°F | 44°F | 69% | 6.5 mph | 20% |
| noon | 60°F | 44°F | 55% | 8.4 mph | 21% |
| 3 p.m. | 63°F | 43°F | 47% | 9.4 mph | 20% |
| 6 p.m. | 61°F | 43°F | 50% | 9.2 mph | 24% |
| 9 p.m. | 55°F | 44°F | 65% | 7.0 mph | 35% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024229. 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 April in Portland?
The warmest April temperature on Portland's official record (since 1940) is 90°F, on April 30, 1998; the coldest is 29°F, on April 21, 1951. The wettest April brought 5.73 in (2022); the snowiest, 1.9 inches (2022).
The April mean against the 1991-2020 normal of 52.8°F: 2021 55.1°F (+2.4), 2022 49.7°F (−3.1), 2023 51.7°F (−1.1), 2024 54.4°F (+1.6), 2025 56.4°F (+3.6), 2026 54.7°F (+1.9). 4 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 55.1°F | +2.4°F | 0.39 in |
| 2022 | 49.7°F | −3.1°F | 5.73 in |
| 2023 | 51.7°F | −1.1°F | 5.08 in |
| 2024 | 54.4°F | +1.6°F | 1.79 in |
| 2025 | 56.4°F | +3.6°F | 1.01 in |
| 2026 | 54.7°F | +1.9°F | 2.75 in |
Source: records: ACIS, NWS threaded record PDXthr; recent months: ACIS, station USW00024229. Records and recent months use complete months only.
How does April in Portland compare across Oregon?
Across the 105 places PlainClimate covers in Oregon, April normal highs run from 45°F in Government Camp to 67°F in Cave Junction; Portland's is 62°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.