Lynnville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lynnville, a city in Jasper County, Iowa.
Overnight
46°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Cloudy. Low around 46, with temperatures rising to around 48 overnight. West wind around 13 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
7-day forecast for Lynnville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Slight Chance Rain Showers | 13 mph W | 17% |
| Wednesday | 52°F | Slight Chance Rain Showers then Cloudy | 15 mph W | 20% |
| Wednesday Night | 44°F | Cloudy | 12 mph W | 13% |
| Thursday | 55°F | Rain Showers Likely | 8 to 12 mph NW | 59% |
| Thursday Night | 39°F | Mostly Cloudy | 8 mph N | 9% |
| Friday | 50°F | Mostly Sunny | 3 to 8 mph N | 3% |
| Friday Night | 29°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 53°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 59°F | Sunny | 5 mph W | 1% |
| Sunday Night | 35°F | Clear | 2 mph SW | 0% |
| Monday | 65°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 40°F | Clear | 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 3 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lynnville (41.573, -92.787). Updated through the day.
Growing snapshot for Lynnville
Last spring frost
May 3
First fall frost
Oct 6
Growing season
155 days
Hardiness zone
5b
More local growing data for Lynnville: nearby ZIP 50153 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Baxter
Colfax
Kellogg
Lambs Grove
Mingo
Monroe
Newton
Oakland Acres
Prairie City
Reasnor
Sully
Valeria
Climate data from the nearest NOAA station, Grinnell 3 Sw, Ia (10.5 mi from Lynnville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.