Oskaloosa, Iowa Weather
Oskaloosa weather this week
Over the next 7 days in Oskaloosa, daytime highs range from 9°C to 19°C and night-time lows from -3°C to 8°C. The warmest afternoon is likely on Friday at 19°C, while the coolest night is expected tonight at -3°C. Temperatures trend warmer through the week, rising by about 6°C.
Rain is most likely Saturday, with roughly 5.7 mm forecast in total over the week.
It turns breezy on Saturday, with winds reaching about 32 km/h — secure loose objects on rooftops and balconies. UV levels stay moderate or lower, peaking at 3. Average humidity is a comfortable 62% or so.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Sunday) | Overcast | 9° / -3° | 0% | 0.0 mm | 10 km/h |
| Tomorrow (Monday) | Overcast | 12° / -1° | 0% | 0.0 mm | 19 km/h |
| Tuesday | Overcast | 13° / 2° | 0% | 0.0 mm | 25 km/h |
| Wednesday | Overcast | 16° / 7° | 6% | 0.0 mm | 32 km/h |
| Thursday | Clear sky | 16° / 8° | 16% | 0.0 mm | 29 km/h |
| Friday | Overcast | 19° / 8° | 32% | 0.0 mm | 28 km/h |
| Saturday | Rain showers | 17° / 7° | 66% | 5.7 mm | 32 km/h |
Hourly forecast in Oskaloosa
16-day forecast for Oskaloosa
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Oskaloosa air quality & conditions
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Today's outlook for Oskaloosa
At 00:00 local time it is -1°C in Oskaloosa under clear skies, feeling like -4°C. Today's forecast high is 9°C and the low is -3°C, and the day overall looks overcast. Rain is unlikely today (0% chance). Winds are blowing at about 7 km/h from the south. Humidity is 79%.
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Climate of Oskaloosa: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Oskaloosa, with average daytime highs around 30°C. January is the coolest, when nights typically fall to about -10°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 40°C, so the seasons feel very different from each other.
The area receives about 910 mm of rain in a typical year. Most of it falls from May to June and August, and June is the wettest month at roughly 134 mm.
For outdoor plans and travel, July and September usually offer the most comfortable weather in Oskaloosa, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -1° | -10° | 26 mm | 84% |
| Feb | 1° | -9° | 34 mm | 82% |
| Mar | 9° | -3° | 52 mm | 77% |
| Apr | 17° | 4° | 91 mm | 73% |
| May | 22° | 11° | 114 mm | 75% |
| Jun | 28° | 17° | 134 mm | 75% |
| Jul | 30° | 19° | 94 mm | 72% |
| Aug | 29° | 17° | 112 mm | 71% |
| Sep | 25° | 13° | 87 mm | 71% |
| Oct | 17° | 5° | 74 mm | 73% |
| Nov | 9° | -1° | 47 mm | 78% |
| Dec | 1° | -7° | 43 mm | 85% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Oskaloosa. Values describe typical conditions, not a forecast.
About Oskaloosa weather
Oskaloosa sits within Iowa's humid continental climate, typical of the US corn belt, about 88 km east of Des Moines. Conditions turn hot with warm, humid summers (June–August). By December, expect cold winters (December–February) with regular snow. This page shows live, auto-refreshing weather for Oskaloosa: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Oskaloosa is about 88 km east of Des Moines, in Iowa.
Oskaloosa sees cold winters (December–February) with regular snow.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Oskaloosa's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Oskaloosa, with average daytime highs of about 30°C and nights around 19°C.
The coldest nights come in January, when the average low is about -10°C and daytime highs reach around -1°C. Frost is possible on clear, calm nights.
Oskaloosa receives about 910 mm of rain in a typical year. June is the wettest month at roughly 134 mm, and the main rainy period is May to June and August.
July and September usually offer the most comfortable weather in Oskaloosa, with mild daytime temperatures and little rain.
In November Oskaloosa typically sees daytime highs near 9°C and lows near -1°C, with about 47 mm of rain over the month and average humidity around 78%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for Oskaloosa is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
Oskaloosa's day-to-day weather follows the broader pattern of Iowa described above. See the hourly weather forecast or the air quality index for more detail.