Richfield, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Richfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast19%—87°68°—
- SundayJul 5Light Rain23%0.19″88°68°+1°
- MondayJul 6Overcast——87°67°-1°
- TuesdayJul 7Overcast10%—90°70°+3°
- WednesdayJul 8T-storm w/ Hail55%0.46″77°69°-13°
- ThursdayJul 9Overcast55%—82°63°+5°
- FridayJul 10Light Drizzle——87°65°+5°
AQI 62 (Moderate), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 14.0 µg/m³ (AQI 60) with a 0.86 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 43 now. With UV 4.8 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 20 around 1 PM.
- Present
- AQI 43
- UV peak
- 4.8 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 20
PM × Wind × Precip
PM2.5 at 14.0 µg/m³ (AQI 60) with a 0.86 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:15 PM
- Moonset
- 10:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Richfield at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: May 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Richfield
- Sat87°68°19%
- Sun88°68°23%
- Mon87°67°4%
- Tue90°70°10%
- Wed77°69°55%
- Thu82°63°55%
- Fri87°65°8%
- Sat78°66°11%
- Sun78°58°16%
- Mon81°61°9%
- Tue82°62°5%
- Wed87°68°15%
- Thu90°65°10%
- Fri92°70°22%
- Sat92°71°28%
- Sun94°75°30%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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.
SPC Convective Outlook
Storm Prediction Center — Richfield
SPC has placed Richfield in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the afternoon
Millions of periodical and annual cicadas emerge, their droning chorus filling the summer heat; the soundtrack of midsummer settles over prairie and wetland.
Day 185 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
In Richfield, July runs warmest near 75°F and January coldest around 15°F, while June is the wettest month (4.4 inches) and January the driest (1.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 15° | 1.1″ | 13 |
| February | 20° | 1.2″ | 11 |
| March | 31° | 2.1″ | 14 |
| April | 47° | 3.2″ | 16 |
| May | 58° | 3.9″ | 17 |
| June | 68° | 4.4″ | 17 |
| July | 75° | 3.4″ | 14 |
| August | 73° | 3.6″ | 14 |
| September | 64° | 3.9″ | 14 |
| October | 50° | 2.4″ | 13 |
| November | 33° | 2.2″ | 14 |
| December | 19° | 1.3″ | 13 |
Regional context
In Richfield, NOAA NCEI 1991-2020 normals put January near 15°F and July near 75°F — a 60°F seasonal arc — with about 32.7 inches of precipitation over 168 rainy or snowy days.
Richfield's rain peaks in summer: June brings 4.4 inches over 16.5 thunderstorm-fed days, while January sees just 1.1 inches across 13.0 days under cooler, drier air. That summer-storm rhythm groups Richfield with places like Bloomington, MN, Edina, MN and Mendota, MN.
Once Richfield passes late-May, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Tomatoes and peppers do best set out two weeks later in Richfield, once nights clear the mid-40s°F. Frost returns to Richfield near early-October, ending the tender-crop season. A creek-bottom lot in Richfield can lag Richfield's last frost 7-10 days behind a south slope.
Similar climates: Bloomington, MN, Edina, MN, Mendota, MN, Minneapolis, MN, St. Louis Park, MN.
Frequently asked
- When does it freeze in Richfield?
- Richfield's last spring frost lands near mid-May, and in Richfield the first fall frost follows around mid-October.
- What is the rainy season in Richfield?
- Rainfall in Richfield peaks in June near 4.4 inches, out of about 33 inches annually.
- What is the warmest month in Richfield?
- On average July tops the year in Richfield at about 75°F.
- What is the coldest month in Richfield?
- The coldest stretch in Richfield falls in January, around 15°F on average.
- When can I start a vegetable garden in Richfield?
- Around mid-May, start frost-hardy crops in Richfield; tomatoes and basil belong a fortnight later.
- How many rainy days does Richfield get?
- Expect roughly 168 wet days a year in Richfield.
- What hardiness zone is Richfield?
- Because Richfield bottoms near 15°F in January, that winter low sets Richfield's USDA zone — verify by ZIP.
- What is the 10-day forecast for Richfield?
- Richfield'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 Richfield?
- See this week's day-by-day rain chances for Richfield in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Richfield?
- Current conditions for Richfield and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Richfield forecast updated?
- The Richfield forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Richfield?
- Today's sunrise and sunset times for Richfield 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 Richfield?
- The next few days in Richfield's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, Richfield, Minnesota swings from 15°F in the heart of winter to 75°F at midsummer — a 60°F arc.
Rain and snow bring Richfield roughly 33 inches a year across approximately 168 measurable-precipitation days.
Richfield sits at 44.9°N; that 60°F seasonal swing frames planting windows and frost dates across Richfield.
ZIP codes in Richfield
- 55423