Rivergrove, Oregon Weather
Fireweed Ignites. Day 15 of summer. Read this microseason across nine climate regions →
Rivergrove weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——80°52°—
- MondayJul 6Partly Cloudy——87°57°+7°
- TuesdayJul 7Overcast——84°58°-3°
- WednesdayJul 8Overcast——79°57°-5°
- ThursdayJul 9Overcast——83°55°+4°
- FridayJul 10Overcast——84°56°+1°
- SaturdayJul 11Overcast——81°59°-3°
AQI 19 (Good), driven by PM2.5. AQI down 11 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:35 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Fireweed Ignites
Rivergrove at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Rivergrove
- Sun80°53°0%
- Mon87°57°0%
- Tue84°58°0%
- Wed79°57°0%
- Thu83°55°0%
- Fri84°56°0%
- Sat81°59°4%
- Sun86°54°1%
- Mon90°60°2%
- Tue93°65°1%
- Wed90°63°0%
- Thu93°65°10%
- Fri94°66°0%
- Sat93°65°6%
- Sun87°63°5%
- Mon84°58°3%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Microseason · July 1–5
Fireweed Ignites
Magenta fireweed spires surge from burned and cleared slopes, their blooms climbing from base upward. July's signature color claims the disturbed ground.
Day 186 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
August is Rivergrove's warmest stretch (~69°F) and January its coldest (~39°F); precipitation crests in December at 7.2 inches and ebbs in July to 0.3 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 39° | 7.2″ | 23 |
| February | 41° | 5.5″ | 19 |
| March | 44° | 5.9″ | 22 |
| April | 50° | 3.9″ | 19 |
| May | 56° | 2.7″ | 17 |
| June | 62° | 1.7″ | 13 |
| July | 68° | 0.3″ | 4 |
| August | 69° | 0.5″ | 5 |
| September | 63° | 1.9″ | 10 |
| October | 53° | 5.7″ | 17 |
| November | 45° | 7.1″ | 21 |
| December | 39° | 7.2″ | 22 |
Frequently asked
- When does it freeze in Rivergrove?
- In Rivergrove, expect the last spring frost near mid-May; Rivergrove's first autumn frost comes around mid-October.
- What is the rainy season in Rivergrove?
- Rivergrove sees its heaviest rain in December (around 7.2 inches), part of roughly 50 inches a year.
- What is the warmest month in Rivergrove?
- The warmest stretch in Rivergrove comes in August, around 69°F on average.
- What is the coldest month in Rivergrove?
- On average January is the chilliest month in Rivergrove, about 39°F.
- When can I start a vegetable garden in Rivergrove?
- Rivergrove's last frost (mid-May) cues hardy greens; in Rivergrove, hold heat-lovers two weeks past.
- How many rainy days does Rivergrove get?
- Rivergrove averages about 192 days with measurable rain or snow each year.
- What hardiness zone is Rivergrove?
- Rivergrove sits in the USDA zone set by January lows near 39°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Rivergrove?
- Rivergrove's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Rivergrove?
- See this week's day-by-day rain chances for Rivergrove in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Rivergrove?
- Current conditions for Rivergrove and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Rivergrove forecast updated?
- The Rivergrove forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Rivergrove?
- Today's sunrise and sunset times for Rivergrove are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Rivergrove?
- The next few days in Rivergrove's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Rivergrove, Oregon occupies a warm-summer Mediterranean zone, with January means near 39°F and July around 68°F — a 29°F swing.
Yearly precipitation in Rivergrove totals around 50 inches, spread over about 192 days of rain or snow.
Latitude 45.4°N gives Rivergrove its 29°F swing, and with it the rhythm of Rivergrove's growing season.
ZIP codes in Rivergrove
- 97035