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Johnston, IA Weather Forecast
Johnston, IA Weather Forecast Dated: 1246 PM Sat Oct 31 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Saturday, October 31, 2026
Mid-Morning
57°F 14°C
Light Showers
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
59°F 15°C
Scattered Showers
Refreshing around 63°F 17°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds out of the SE at 4 mph 7 km/h.
Sunday, November 1, 2026
Mid-Morning
58°F 15°C
Partly Cloudy
Mid-Afternoon
67°F 19°C
Scattered Showers
Early-Evening
60°F 16°C
Overcast
Mildly cool near 67°F 19°C, scattered downpours possible, with steady humidity and barometric pressure falling. Winds blowing from the SSE at 10 mph 15 km/h.
Monday, November 2, 2026
Mid-Morning
61°F 16°C
Drizzle
Mid-Afternoon
65°F 18°C
Drizzle
Early-Evening
66°F 19°C
Light Showers
Comfortable at 65°F 18°C, on-and-off showers throughout the day, with steady humidity and barometric pressure falling. Winds moving from the SSE to the S at 17 mph 27 km/h. Gusts up to 32 mph 52 km/h.
Tuesday, November 3, 2026
Mid-Morning
62°F 17°C
Light Showers
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
57°F 14°C
Scattered Showers
Cool with a high near 66°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Wednesday, November 4, 2026
Mid-Morning
49°F 9°C
Drizzle
Mid-Afternoon
53°F 12°C
Drizzle
Early-Evening
50°F 10°C
Drizzle
Brisk around 53°F 12°C, persistent showers off and on through the day, with increasing humidity and steady pressure. Winds swinging from the NNW to the N at 10 mph 16 km/h.
Thursday, November 5, 2026
Mid-Morning
53°F 11°C
Drizzle
Mid-Afternoon
54°F 12°C
Light Rain
Early-Evening
53°F 11°C
Light Rain
Cool and brisk at 54°F 12°C, on-and-off showers throughout the day, with steady humidity and steady pressure. Winds blowing from the N at 11 mph 18 km/h.
Friday, November 6, 2026
Mid-Morning
50°F 10°C
Light Rain
Mid-Afternoon
51°F 10°C
Drizzle
Early-Evening
48°F 9°C
Scattered Showers
Chilly near 51°F 10°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the N to the NNE at 4 mph 7 km/h.
Saturday, November 7, 2026
Mid-Morning
45°F 7°C
Overcast
Mid-Afternoon
48°F 9°C
Cloudy
Early-Evening
44°F 7°C
Partly Cloudy
Crisp with a high near 48°F 9°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.
Sunday, November 8, 2026
Mid-Morning
44°F 7°C
Scattered Showers
Mid-Afternoon
48°F 9°C
Scattered Showers
Early-Evening
44°F 7°C
Partly Cloudy
Brisk around 48°F 9°C, locally heavy downpours at times, with steady humidity and steady pressure.
Monday, November 9, 2026
Mid-Morning
46°F 8°C
Partly Cloudy
Mid-Afternoon
50°F 10°C
Sunny
Early-Evening
44°F 7°C
Clear
Cool and brisk at 50°F 10°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Tuesday, November 10, 2026
Mid-Morning
44°F 7°C
Sunny
Mid-Afternoon
53°F 12°C
Partly Cloudy
Early-Evening
47°F 8°C
Partly Cloudy
Chilly near 53°F 12°C, partly cloudy throughout the day, with steady humidity and steady pressure.
Wednesday, November 11, 2026
Mid-Morning
44°F 7°C
Partly Cloudy
Mid-Afternoon
49°F 9°C
Partly Cloudy
Early-Evening
47°F 8°C
Cloudy
Crisp with a high near 49°F 9°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.
Thursday, November 12, 2026
Mid-Morning
46°F 8°C
Partly Cloudy
Mid-Afternoon
54°F 12°C
Partly Cloudy
Early-Evening
50°F 10°C
Overcast
Brisk around 54°F 12°C, cloudy through the afternoon, turning overcast this evening, with steady humidity and barometric pressure falling. Winds switching from the SSE to the S at 9 mph 14 km/h.
Friday, November 13, 2026
Mid-Morning
52°F 11°C
Cloudy
Mid-Afternoon
59°F 15°C
Scattered Showers
Early-Evening
54°F 12°C
Scattered Showers
Mildly cool near 59°F 15°C, scattered downpours possible, with steady humidity and steady pressure. Winds tapering down from S 11 mph 17 km/h to SW 3 mph 5 km/h.
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