New Post, Wisconsin Weather
Thunder stills across the plains. Day 93 of summer. Read this microseason across nine climate regions →
New Post weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 1:40 AM CDT · Open-Meteo
- TodaySep 21Overcast——60°43°—
- TuesdaySep 22Overcast——63°42°+3°
- WednesdaySep 23Overcast——68°40°+5°
- ThursdaySep 24Overcast——67°48°-1°
- FridaySep 25Light Drizzle——66°50°-1°
- SaturdaySep 26Light Drizzle12%0.05″56°53°-10°
- SundaySep 27Overcast15%—66°55°+10°
Air quality now AQI 29 · Good
AQI 29 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:56 PM
- Moonset
- 1:04 AM
- In sign
- ♑︎ Capricorn
Thunder stills across the plains
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
New Post at a glance
- Today vs. normal: Today averages 52°F (high 60°F, low 43°F), 3°F below the 55°F normal for Sep 21
- Last frost: May 19 (1991–2020 median, NOAA station 19 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
15-Day Forecast — New Post
- Mon60°44°1%
- Tue63°42°0%
- Wed68°40°0%
- Thu67°48°6%
- Fri66°50°2%
- Sat56°53°12%
- Sun66°55°15%
- Mon72°54°26%
- Tue62°47°33%
- Wed70°43°32%
- Thu68°46°25%
- Fri55°48°26%
- Sat69°48°16%
- Sun71°51°29%
- Mon52°43°13%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Fall planting + final harvests
As of September 21, the season's first frost (typically September 27) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, and carrots.
Sun & seasons in New Post
New Post sits in Sawyer County, where the year’s longest day runs 15h 44m of daylight and its shortest just 8h 39m — a swing of +7h 5m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Milwaukee, the state’s largest city, lies about 252 miles to the SE. The nearest town New Post tracks is Paac Ciinak, roughly 122 miles to the SE.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes | radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| July | tomatoes, peppers, beans, squash, fall brassicas, carrots | lettuce, peas, spinach, radishes |
| August | garlic (overwinter) | lettuce, peas, tomatoes, peppers, beans, summer squash, garlic |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| October | — | fall brassicas, carrots |
A year in weather
The year in New Post tops out in July (~67°F) and dips lowest in January (~11°F), with June wettest at 5.0 inches and January driest at 1.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 11° | 1.0″ | 9 |
| February | 16° | 1.1″ | 7 |
| March | 28° | 1.7″ | 8 |
| April | 41° | 3.0″ | 11 |
| May | 54° | 3.8″ | 12 |
| June | 63° | 5.0″ | 12 |
| July | 67° | 4.3″ | 11 |
| August | 65° | 4.0″ | 10 |
| September | 57° | 4.5″ | 11 |
| October | 44° | 3.7″ | 11 |
| November | 30° | 1.8″ | 9 |
| December | 17° | 1.3″ | 10 |
Regional context
Similar climates Chief Lake, WI, Couderay, WI, Reserve, WI
New Post swings from 11°F in January to 67°F in July (56°F) per NOAA NCEI 1991-2020 normals; precipitation in New Post runs about 35.2 inches on roughly 121 measurable days.
New Post's rain peaks in summer: June brings 5.0 inches over 12.3 thunderstorm-fed days, while January sees just 1.0 inches across 9.2 days under cooler, drier air. New Post shares that warm-season-wet pattern with places like Chief Lake, WI, Couderay, WI and Reserve, WI.
New Post reaches its last hard frost near May 19; that is the cue for kale, peas, spinach, and parsnips. Tomatoes and peppers do best set out two weeks later in New Post, once nights clear the mid-40s°F. By September 27, frost is back in New Post — protect or harvest anything tender. Open lawns in New Post whiten first when frost returns.
Similar climates: Chief Lake, WI, Couderay, WI, Reserve, WI, Radisson, WI, Little Round Lake, WI.
Frequently asked
- When does it freeze in New Post?
- In New Post, expect the last spring frost near May 19; New Post's first autumn frost comes around September 27.
- What is the rainy season in New Post?
- Rainfall in New Post peaks in June near 5.0 inches, out of about 35 inches annually.
- What is the warmest month in New Post?
- July is New Post's warmest month, averaging about 67°F.
- What is the coldest month in New Post?
- New Post bottoms out in January, with a mean near 11°F.
- When can I start a vegetable garden in New Post?
- New Post's last frost (May 19) cues hardy greens; in New Post, hold heat-lovers two weeks past.
- How many rainy days does New Post get?
- New Post records around 121 days of measurable precipitation annually.
- What hardiness zone is New Post?
- New Post sits in the USDA zone set by January lows near 11°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for New Post?
- New Post'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 New Post?
- See this week's day-by-day rain chances for New Post in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in New Post?
- Current conditions for New Post and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the New Post forecast updated?
- The New Post forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in New Post?
- Today's sunrise and sunset times for New Post 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 New Post?
- The next few days in New Post's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
New Post sits at 45.9°N; its climate zone is warm-summer humid continental (Köppen approximation).
ZIP codes in New Post
- 54828
- 54843