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As of 19:58 CDT

Weather in Jamaica, IA

75°Current weather

Jamaica, Saturday, 8 August, 19:58

Overcast. Feels like 75°. High 80°, low 60°.

Pressure29.91 inHg
Wind8.8 mph SE
Humidity75%
Visibility6.2 mi
Dew point66°
Sun, 0993° / 74°0Mostly clear
93 °Mostly clear

Jamaica, Sunday, 9 August

Mostly clear. High 93°, low 74°.

Pressure29.80 inHg
Wind15 mph W
Humidity46%
Visibility6.2 mi
Dew point67°
Mon, 1090° / 72°0Light rain
90 °Light rain

Jamaica, Monday, 10 August

Light rain. High 90°, low 72°.

Pressure29.83 inHg
Wind5.4 mph SE
Humidity49%
Visibility6.2 mi
Dew point66°
Tue, 1194° / 69°0Partly cloudy
94 °Partly cloudy

Jamaica, Tuesday, 11 August

Partly cloudy. High 94°, low 69°.

Pressure29.77 inHg
Wind0.7 mph W
Humidity48%
Visibility6.2 mi
Dew point67°
Wed, 1288° / 68°0.04Light rain
88 °Light rain

Jamaica, Wednesday, 12 August

Light rain. High 88°, low 68°.

Pressure29.91 inHg
Wind5.3 mph E
Humidity63%
Visibility6.2 mi
Dew point66°
Thu, 1368° / 60°0.13Light rain
68 °Light rain

Jamaica, Thursday, 13 August

Light rain. High 68°, low 60°.

Pressure29.97 inHg
Wind14 mph NE
Humidity83%
Visibility—
Dew point60°
Fri, 1479° / 58°0Overcast
79 °Overcast

Jamaica, Friday, 14 August

Overcast. High 79°, low 58°.

Pressure30.09 inHg
Wind12.1 mph E
Humidity47%
Visibility—
Dew point54°
Sat, 1567° / 58°0.15Light rain
67 °Light rain

Jamaica, Saturday, 15 August

Light rain. High 67°, low 58°.

Pressure30.18 inHg
Wind13.9 mph E
Humidity96%
Visibility—
Dew point62°
Sun, 1677° / 60°0Light rain
77 °Light rain

Jamaica, Sunday, 16 August

Light rain. High 77°, low 60°.

Pressure30.09 inHg
Wind5.3 mph E
Humidity67%
Visibility—
Dew point62°
Mon, 1788° / 66°0Clear
88 °Clear

Jamaica, Monday, 17 August

Clear. High 88°, low 66°.

Pressure30.03 inHg
Wind10.4 mph SW
Humidity54%
Visibility—
Dew point64°
Tue, 1896° / 69°0.01Light rain
96 °Light rain

Jamaica, Tuesday, 18 August

Light rain. High 96°, low 69°.

Pressure29.94 inHg
Wind17 mph SW
Humidity50%
Visibility—
Dew point67°
Wed, 1984° / 62°0.01Light rain
84 °Light rain

Jamaica, Wednesday, 19 August

Light rain. High 84°, low 62°.

Pressure30.06 inHg
Wind11.9 mph NE
Humidity75%
Visibility—
Dew point57°
Thu, 2066° / 56°0.07Light rain
66 °Light rain

Jamaica, Thursday, 20 August

Light rain. High 66°, low 56°.

Pressure30.12 inHg
Wind9.6 mph NE
Humidity55%
Visibility—
Dew point48°
Fri, 2189° / 53°0Partly cloudy
89 °Partly cloudy

Jamaica, Friday, 21 August

Partly cloudy. High 89°, low 53°.

Pressure29.97 inHg
Wind10.8 mph S
Humidity37%
Visibility—
Dew point53°
Sat, 2280° / 64°0.04Light rain
80 °Light rain

Jamaica, Saturday, 22 August

Light rain. High 80°, low 64°.

Pressure29.94 inHg
Wind14.9 mph NE
Humidity62%
Visibility—
Dew point64°
Sun, 2377° / 49°0Clear
77 °Clear

Jamaica, Sunday, 23 August

Clear. High 77°, low 49°.

Pressure30.18 inHg
Wind12 mph E
Humidity28%
Visibility—
Dew point35°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Jamaica, IA are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Jamaica, IA since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.