Onawa, IA Weather Forecast
Local 7-day forecast
Rain Showers Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Onawa, IA in one place.
Rain showers likely. Cloudy. High near 55, with temperatures falling to around 52 in the afternoon. North northwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Onawa, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 2:43 PM CDT.
The active forecast window currently covers Oct 15 to Oct 21, 2026 for Onawa, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 2:43 PM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Onawa
Wednesday looks like the warmest upcoming period in Onawa at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday at about 14 to 28 mph NNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 2:43 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- OAX
- Radar station
- KOAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 41. Northwest wind 17 to 23 mph, with gusts as high as 38 mph. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 53. North northwest wind 14 to 28 mph, with gusts as high as 44 mph.
Widespread frost after midnight. Mostly clear, with a low around 30. Northwest wind 0 to 10 mph, with gusts as high as 16 mph.
Widespread frost before 9am. Sunny, with a high near 59. South wind 5 to 16 mph, with gusts as high as 26 mph.
Clear, with a low around 41. South wind around 14 mph, with gusts as high as 24 mph.
Sunny, with a high near 66. South wind 13 to 16 mph, with gusts as high as 28 mph.
Partly cloudy, with a low around 44. South wind 6 to 12 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 68. South southeast wind around 8 mph.
Partly cloudy, with a low around 45. South southeast wind around 6 mph.
Sunny, with a high near 72. South southeast wind 5 to 12 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 52. South southeast wind around 8 mph, with gusts as high as 16 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 75. South southeast wind 9 to 13 mph, with gusts as high as 24 mph.
A slight chance of rain showers. Mostly cloudy, with a low around 53. South southeast wind around 9 mph, with gusts as high as 20 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 15
|
Rain Showers Likely
|
55°F |
14 to 17 mph
NNW
|
|
Tonight
Oct 15
|
Mostly Cloudy
|
41°F |
17 to 23 mph
NW
|
|
Friday
Oct 16
|
Partly Sunny
|
53°F |
14 to 28 mph
NNW
|
|
Friday Night
Oct 16
|
Mostly Clear then Widespread Frost
|
30°F |
0 to 10 mph
NW
|
|
Saturday
Oct 17
|
Widespread Frost then Sunny
|
59°F |
5 to 16 mph
S
|
|
Saturday Night
Oct 17
|
Clear
|
41°F |
14 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
13 to 16 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
44°F |
6 to 12 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
68°F |
8 mph
SSE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
45°F |
6 mph
SSE
|
|
Tuesday
Oct 20
|
Sunny
|
72°F |
5 to 12 mph
SSE
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
52°F |
8 mph
SSE
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Rain Showers
|
75°F |
9 to 13 mph
SSE
|
|
Wednesday Night
Oct 21
|
Slight Chance Rain Showers
|
53°F |
9 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Onawa.
