Jamaica, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamaica, a city in Guthrie County, Iowa.
Tonight
60°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 60, with temperatures rising to around 62 overnight. North wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Jamaica
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Chance Showers And Thunderstorms | 7 to 10 mph N | 40% |
| Sunday | 65°F | Slight Chance Rain Showers then Chance Drizzle | 12 mph NNE | 39% |
| Sunday Night | 54°F | Rain Showers Likely | 9 mph NE | 74% |
| Monday | 59°F | Rain Showers | 9 mph NE | 85% |
| Monday Night | 50°F | Rain Showers | 5 to 8 mph NE | 75% |
| Tuesday | 61°F | Mostly Cloudy | 7 mph NE | 9% |
| Tuesday Night | 46°F | Partly Cloudy | 1 to 6 mph ENE | 2% |
| Wednesday | 65°F | Mostly Sunny | 5 mph E | 0% |
| Wednesday Night | 51°F | Mostly Cloudy | 2 mph ESE | 10% |
| Thursday | 67°F | Chance Rain Showers | 2 to 6 mph SE | 30% |
| Thursday Night | 56°F | Chance Rain Showers | 3 mph SE | 25% |
| Friday | 69°F | Slight Chance Rain Showers | 1 to 5 mph ESE | 19% |
| Friday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph ESE | 16% |
| Saturday | 70°F | Chance Rain Showers | 3 to 8 mph SE | 31% |
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 Sep 20, 2026.