Lancaster, Minnesota Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lancaster weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——83°59°—
- SundayJul 5Overcast——87°61°+4°
- MondayJul 6Thunderstorm58%—84°67°-3°
- TuesdayJul 7Overcast36%—73°59°-11°
- WednesdayJul 8Overcast36%—77°57°+4°
- ThursdayJul 9Light Drizzle19%—79°56°+2°
- FridayJul 10Light Drizzle23%—75°60°-4°
AQI 42 (Good), driven by PM2.5. AQI up 7 over the last 6 hours (gradual rise). PM2.5 at 12.8 µg/m³ (AQI 58) with a 0.96 fine-to-coarse ratio and 5 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 33 now. With UV 4.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 21 around 1 PM.
- Present
- AQI 33
- UV peak
- 4.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 21
PM × Wind × Precip
PM2.5 at 12.8 µg/m³ (AQI 58) with a 0.96 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- Wind
- light
- 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
- 11:37 PM
- Moonset
- 10:22 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lancaster at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: June 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 56735
16-Day Forecast — Lancaster
- Sat83°59°8%
- Sun87°61°6%
- Mon84°67°58%
- Tue73°59°36%
- Wed77°57°36%
- Thu79°56°19%
- Fri75°60°23%
- Sat72°57°23%
- Sun76°53°15%
- Mon83°59°14%
- Tue85°66°13%
- Wed76°53°13%
- Thu79°57°23%
- Fri80°54°16%
- Sat89°59°16%
- Sun92°67°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 — Lancaster
SPC has placed Lancaster in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- 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 Lancaster
- 56735