Bertha, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Bertha weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain48%1.3″83°65°—
- SundayJul 5Overcast18%—83°61°0°
- MondayJul 6Drizzle38%—84°64°+1°
- TuesdayJul 7Thunderstorm54%0.01″87°66°+3°
- WednesdayJul 8Heavy Showers70%1.1″71°61°-16°
- ThursdayJul 9Overcast33%—77°58°+6°
- FridayJul 10Overcast14%—81°59°+4°
AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.1 µg/m³, PM10 at 14.8 µg/m³ — typical background levels with no transport signature.
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 39 now. With UV 4.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 16 around 1 PM.
- Present
- AQI 39
- UV peak
- 4.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 16
PM × Wind × Precip
PM2.5 at 11.1 µg/m³, PM10 at 14.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.75
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:25 PM
- Moonset
- 10:19 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Bertha at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: May 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 56437
16-Day Forecast — Bertha
- Sat83°65°48%
- Sun83°61°18%
- Mon84°64°38%
- Tue87°66°54%
- Wed71°61°70%
- Thu77°58°33%
- Fri81°59°14%
- Sat67°59°19%
- Sun74°51°15%
- Mon77°54°10%
- Tue81°62°9%
- Wed76°61°13%
- Thu82°56°14%
- Fri83°64°20%
- Sat86°61°24%
- Sun93°70°16%
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 — Bertha
SPC has placed Bertha in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
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.
ZIP codes in Bertha
- 56437