Appleton, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Appleton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast15%—81°68°—
- SundayJul 5Overcast——81°62°0°
- MondayJul 6Clear——77°60°-4°
- TuesdayJul 7Overcast——75°58°-2°
- WednesdayJul 8Thunderstorm46%0.84″77°64°+2°
- ThursdayJul 9Light Showers53%0.13″72°61°-5°
- FridayJul 10Overcast18%—76°58°+4°
AQI 23 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 34 now. With UV 6.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 21 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34 now. With UV 6.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 21 around 1 PM.
- Present
- AQI 34
- UV peak
- 6.6 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 21
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
- 10:54 PM
- Moonset
- 9:54 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Appleton at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 54911, 54913, 54914, 54915
16-Day Forecast — Appleton
- Sat81°68°15%
- Sun81°62°4%
- Mon77°60°1%
- Tue75°58°3%
- Wed77°64°46%
- Thu72°61°53%
- Fri76°58°18%
- Sat80°64°10%
- Sun69°58°12%
- Mon75°56°11%
- Tue75°60°7%
- Wed77°63°16%
- Thu79°68°19%
- Fri81°67°13%
- Sat78°68°23%
- Sun81°67°26%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Appleton
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 — Appleton
SPC includes Appleton 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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
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
Appleton peaks at about 73°F in July and bottoms near 17°F in January; June brings the heaviest rain (3.8 inches) and February the least (1.4 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 17° | 1.5″ | 14 |
| February | 20° | 1.4″ | 12 |
| March | 31° | 2.3″ | 14 |
| April | 45° | 2.9″ | 17 |
| May | 56° | 3.4″ | 17 |
| June | 67° | 3.8″ | 16 |
| July | 73° | 2.8″ | 13 |
| August | 72° | 2.9″ | 14 |
| September | 64° | 3.7″ | 14 |
| October | 52° | 2.6″ | 13 |
| November | 35° | 2.7″ | 14 |
| December | 22° | 1.7″ | 14 |
Regional context
Appleton's climate, from NOAA NCEI 1991-2020 station normals, pairs 17°F Januarys with 73°F Julys — a 56°F swing. About 31.7 inches of precipitation falls over roughly 171 days a year.
Summer convection drives Appleton's precipitation: June logs 3.8 inches on 15.7 rainy days, against February's 1.4 inches on 11.6 — warm-season storms carry Appleton's moisture. That puts Appleton in a summer-convective cohort with places like Kimberly, WI, Little Chute, WI and Combined Locks, WI.
The cool-season window in Appleton starts at late-May, when nights stop freezing — think kale, peas, spinach, and parsnips. In Appleton, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Appleton's frost date. Appleton's window closes around early-October as overnight lows return below freezing. Within Appleton, cold-air pooling chills low spots by 5-10°F, shifting Appleton's local frost dates.
Similar climates: Kimberly, WI, Little Chute, WI, Combined Locks, WI, Menasha, WI, Fox Crossing, WI.
Naturalist notes
American robins typically return to Appleton in late March, their territorial songs marking the transition from winter's grip to spring's promise.
Wild columbine begins flowering in May woodlands, its distinctive spurred blossoms appearing as the last frost danger passes.
Frequently asked
- When does it freeze in Appleton?
- Appleton's last spring frost lands near mid-May, and in Appleton the first fall frost follows around mid-October.
- What is the rainy season in Appleton?
- Rainfall in Appleton peaks in June near 3.8 inches, out of about 32 inches annually.
- What is the warmest month in Appleton?
- On average July tops the year in Appleton at about 73°F.
- What is the coldest month in Appleton?
- The coldest stretch in Appleton falls in January, around 17°F on average.
- When can I start a vegetable garden in Appleton?
- In Appleton, sow peas and hardy greens around mid-May; Appleton's tomatoes and peppers wait two weeks more.
- How many rainy days does Appleton get?
- Appleton averages about 171 days with measurable rain or snow each year.
- What hardiness zone is Appleton?
- With January around 17°F, Appleton's zone reflects that minimum — the USDA ZIP map confirms Appleton's band.
- What is the 10-day forecast for Appleton?
- Appleton'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 Appleton?
- See this week's day-by-day rain chances for Appleton in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Appleton?
- Current conditions for Appleton and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Appleton forecast updated?
- The Appleton forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Appleton?
- Today's sunrise and sunset times for Appleton 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 Appleton?
- The next few days in Appleton's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The warm-summer humid continental climate of Appleton, Wisconsin carries typical Januarys near 17°F and Julys around 73°F — 56°F of seasonal travel.
In a typical year Appleton records about 32 inches of precipitation on around 171 days.
From 44.3°N, Appleton sees a 56°F seasonal swing that governs Appleton's planting and frost windows.
ZIP codes in Appleton
- 54914
- 54915
- 54913
- 54911
- 54912
- 54919