Riverdale, OR
Unincorporated community in Multnomah County, Oregon
Riverdale is a small unincorporated community in Multnomah County, Oregon. It is 0.6 miles S of Dunthorpe, the nearest town. Its ZIP code is 97219.
Riverdale at a glance
- State
- Oregon
- County
- Multnomah County
- ZIP code
- 97219
- Nearest town
- Dunthorpe (0.6 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 45.4508, -122.6600
Weather in Riverdale now
Loading the National Weather Service forecast…
Riverdale weather by the hour
Riverdale weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Riverdale.
This week in Riverdale
Sunrise, sunset and moon in Riverdale
What is the weather usually like in Riverdale?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 81°F average high
- Januarycoldest month · 37°F average low
- 44.1 inprecipitation per year · 1,119 mm
- 3.6 insnowfall per year · 9 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Riverdale: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PORTLAND KGW-TV, OR US (USC00356749), adjusted for the elevation of Riverdale.
Riverdale weather month by month
Sunrise and sunset in Riverdale through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:44 AM | 4:55 PM | 9 h 10 min |
| February | 7:09 AM | 5:39 PM | 10 h 29 min |
| March | 7:20 AM | 7:18 PM | 11 h 57 min |
| April | 6:22 AM | 7:58 PM | 13 h 35 min |
| May | 5:37 AM | 8:36 PM | 14 h 58 min |
| June | 5:19 AM | 9:02 PM | 15 h 43 min |
| July | 5:35 AM | 8:57 PM | 15 h 22 min |
| August | 6:10 AM | 8:19 PM | 14 h 9 min |
| September | 6:48 AM | 7:23 PM | 12 h 35 min |
| October | 7:25 AM | 6:26 PM | 11 h 0 min |
| November | 7:08 AM | 4:42 PM | 9 h 33 min |
| December | 7:42 AM | 4:29 PM | 8 h 47 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Riverdale?
Riverdale has a warm-summer mediterranean climate. The warmest month is August, with an average high of 81°F (27°C), and the coldest is January, with average lows of 37°F (3°C).
It gets about 44.1 inches (1,119 mm) of precipitation a year. The wettest month is December and the driest is July. Snow is common: about 4 inches fall in an average year.
The best time to visit Riverdale is June to September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Riverdale
The closest live webcam is Portland › North-west: Sellwood Bridge - Willamette River, 0.8 miles N of Riverdale.
Webcams: Windy.com. Distances in a straight line from Riverdale.
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Map of Riverdale, OR
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Riverdale Street View
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Questions about Riverdale
Where is Riverdale, OR?
Riverdale is an unincorporated community in Multnomah County, Oregon, 0.6 miles S of Dunthorpe.
What county is Riverdale in?
Riverdale is in Multnomah County, Oregon.
What is the ZIP code of Riverdale, OR?
The ZIP code for Riverdale is 97219.
What is the nearest town to Riverdale?
Dunthorpe, 0.6 miles away.
Are there webcams near Riverdale?
Yes. The closest is Portland › North-west: Sellwood Bridge - Willamette River, 0.8 miles away.
What is the hottest month in Riverdale?
August, with an average high of 81°F (27°C).
What is the coldest month in Riverdale?
January, with an average low of 37°F (3°C).
How much does it rain in Riverdale?
About 44.1 inches (1,119 mm) a year; the wettest month is December.
Does it snow in Riverdale?
Yes, about 4 inches of snow fall in an average year.
When is the best time to visit Riverdale?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Riverdale have?
Warm-summer mediterranean (Köppen Csb).
Last updated: