Portland weather in April
April in Portland: cool, rainy, with clean air — a great time to visit.
#7 of 12 months in Portland · #395 of 604 destinations to visit in April · comfort 75/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Portland climate normals — April
| Daytime high | 16°C / 60°F | 🙂 cool |
|---|---|---|
| Nighttime low | 5°C / 42°F | |
| Feels like (high) | 14°C / 57°F | |
| Rainfall | 120 mm / 4.7 in | 🌧 rainy |
| Rainy days | 16 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 5°C / 41°F | |
| Sunshine | 9.1 h/day | |
| Daylight | 13.5 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 3.8 cm / 1.5 in | |
| Air quality (US AQI) | 35 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Portland in April — FAQ
- Is April a good time to visit Portland?
- April in Portland: cool, rainy, with clean air — a great time to visit. It ranks #7 of 12 months for Portland on SeasonMap's comfort score (75/100).
- What is the weather like in Portland in April?
- In April, Portland averages a daily high of 15.7°C and a low of 5.3°C, with about 120.4 mm of rain over roughly 16.2 rainy days.
- What is the air quality in Portland in April?
- Portland has a mean US Air Quality Index of about 35 in April.
- Does it snow in Portland in April?
- Portland sees roughly 3.8 cm of snowfall in April.