Jamaica, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamaica, a city in Guthrie County, Iowa.
Overnight
43°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. Low around 43, with temperatures rising to around 45 overnight. West northwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Jamaica
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Slight Chance Rain Showers | 14 mph WNW | 24% |
| Wednesday | 50°F | Slight Chance Rain Showers then Cloudy | 15 mph W | 24% |
| Wednesday Night | 42°F | Cloudy then Chance Rain Showers | 12 mph WNW | 29% |
| Thursday | 52°F | Chance Rain Showers then Mostly Cloudy | 12 mph NW | 25% |
| Thursday Night | 37°F | Mostly Cloudy | 5 to 8 mph N | 4% |
| Friday | 50°F | Mostly Sunny | 2 to 6 mph N | 1% |
| Friday Night | 29°F | Partly Cloudy | 1 mph N | 0% |
| Saturday | 53°F | Mostly Sunny | 3 mph SSW | 0% |
| Saturday Night | 35°F | Mostly Clear | 3 mph WSW | 0% |
| Sunday | 59°F | Sunny | 5 mph W | 0% |
| Sunday Night | 37°F | Clear | 5 mph SW | 0% |
| Monday | 65°F | Sunny | 5 to 8 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 64°F | Mostly Sunny | 3 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Jamaica (41.845, -94.307). Updated through the day.
Growing snapshot for Jamaica
Last spring frost
Apr 25
First fall frost
Oct 10
Growing season
166 days
Hardiness zone
5a
More local growing data for Jamaica: nearby ZIP 50128 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Perry, Ia (9.8 mi from Jamaica). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.