Amherst Junction, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Amherst Junction weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast11%—80°67°—
- SundayJul 5Overcast——79°62°-1°
- MondayJul 6Clear——77°60°-2°
- TuesdayJul 7Drizzle——82°60°+5°
- WednesdayJul 8Thunderstorm63%0.23″73°66°-9°
- ThursdayJul 9Light Drizzle63%0.01″76°63°+3°
- FridayJul 10Light Drizzle12%0.01″69°59°-7°
AQI 36 (Good), driven by Ozone. AQI up 15 in the last 6 hours — air quality is degrading. Ozone at AQI 31 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 31 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 31
- UV peak
- 0.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 31
PM × Wind × Precip
PM2.5 at 4.6 µg/m³ (AQI 26) with a 0.92 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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
- 10:58 PM
- Moonset
- 9:58 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Amherst Junction at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: May 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54407
16-Day Forecast — Amherst Junction
- Sat80°67°11%
- Sun79°62°3%
- Mon77°60°0%
- Tue82°60°5%
- Wed73°66°63%
- Thu76°63°63%
- Fri69°59°12%
- Sat75°57°8%
- Sun76°53°6%
- Mon75°53°9%
- Tue81°58°11%
- Wed80°64°20%
- Thu81°62°23%
- Fri82°62°26%
- Sat69°56°30%
- Sun77°49°19%
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 — Amherst Junction
SPC includes Amherst Junction in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Amherst Junction
- 54407