Newberg, Oregon Weather
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Climate of Newberg: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), August is usually the hottest month in Newberg, with average daytime highs around 25°C. February is the coolest, when nights typically fall to about 1°C and frost is possible on the coldest nights.
The area receives about 1490 mm of rain in a typical year. Most of it falls from October to April (around 86% of the yearly total), and December is the wettest month at roughly 256 mm. The driest stretch is July to August, with under 20 mm a month.
For outdoor plans and travel, June to September usually offer the most comfortable weather in Newberg, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 7° | 1° | 223 mm | 94% |
| Feb | 8° | 1° | 145 mm | 91% |
| Mar | 10° | 2° | 179 mm | 89% |
| Apr | 13° | 4° | 116 mm | 86% |
| May | 17° | 7° | 73 mm | 83% |
| Jun | 20° | 9° | 50 mm | 81% |
| Jul | 24° | 11° | 11 mm | 76% |
| Aug | 25° | 11° | 19 mm | 74% |
| Sep | 22° | 9° | 58 mm | 76% |
| Oct | 15° | 6° | 139 mm | 84% |
| Nov | 10° | 3° | 225 mm | 91% |
| Dec | 6° | 1° | 256 mm | 94% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Newberg. Values describe typical conditions, not a forecast.
About Newberg weather
Newberg is one of many towns in Oregon's climate divide — mild, wet Pacific coast and Willamette Valley to the west, drier high desert east of the Cascades, about 33 km south-west of Portland. Before the rains arrive, there's warm, dry summers (June–September) west of the Cascades. Cooler months mean mild, wet winters (November–March) in the west, colder and snowier in the east. This page shows live, auto-refreshing weather for Newberg: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Los_Angeles.
Frequently asked questions
Newberg is about 33 km south-west of Portland, in Oregon.
Newberg sees mild, wet winters (November–March) in the west, colder and snowier in the east.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Newberg's exact coordinates. No fixed schedule, the page updates whenever you load it.
August is usually the hottest month in Newberg, with average daytime highs of about 25°C and nights around 11°C.
The coldest nights come in February, when the average low is about 1°C and daytime highs reach around 8°C. Frost is possible on clear, calm nights.
Newberg receives about 1490 mm of rain in a typical year. December is the wettest month at roughly 256 mm, and the main rainy period is October to April.
June to September usually offer the most comfortable weather in Newberg, with mild daytime temperatures and little rain.
In November Newberg typically sees daytime highs near 10°C and lows near 3°C, with about 225 mm of rain over the month and average humidity around 91%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Newberg is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Newberg's day-to-day weather follows the broader pattern of Oregon described above. See the hourly weather forecast or the air quality index for more detail.