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As of 18:40 CDT

Weather in Johnston, IA

51°Current weather

Johnston, Thursday, 15 October, 18:40

Overcast. Feels like 50°. High 57°, low 50°.

Pressure30.06 inHg
Wind19.6 mph NW
Humidity92%
Visibility6.2 mi
Dew point49°

10-day forecast for Johnston, IA: 36° to 71°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

71°
Best day: Friday, October 23
57° · 0.7 in
Worst day: Thursday, October 15

Tap any day below to see morning, afternoon, evening and overnight.

Fri, 1652° / 42°0.03Light rain
MorningLight rain47°feels 39°
AfternoonOvercast51°feels 49°
EveningClear46°feels 41°
OvernightMostly clear48°feels 42°
52 °Light rain

Johnston, Friday, 16 October

Light rain. High 52°, low 42°.

Pressure30.42 inHg
Wind21.7 mph N
Humidity56%
Visibility6.2 mi
Dew point35°
Sat, 1758° / 36°0Clear
MorningClear37°feels 35°
AfternoonClear57°feels 54°
EveningClear49°feels 46°
OvernightClear39°feels 37°
58 °Clear

Johnston, Saturday, 17 October

Clear. High 58°, low 36°.

Pressure30.53 inHg
Wind9.9 mph SW
Humidity47%
Visibility6.2 mi
Dew point34°
Sun, 1862° / 43°0Clear
MorningClear43°feels 38°
AfternoonClear61°feels 59°
EveningClear55°feels 53°
OvernightClear45°feels 40°
62 °Clear

Johnston, Sunday, 18 October

Clear. High 62°, low 43°.

Pressure30.33 inHg
Wind12.5 mph S
Humidity59%
Visibility6.2 mi
Dew point42°
Mon, 1963° / 46°0Overcast
MorningOvercast48°feels 45°
AfternoonOvercast61°feels 60°
EveningOvercast56°feels 54°
OvernightMostly clear50°feels 47°
63 °Overcast

Johnston, Monday, 19 October

Overcast. High 63°, low 46°.

Pressure30.27 inHg
Wind9.2 mph S
Humidity65%
Visibility6.2 mi
Dew point46°
Tue, 2068° / 47°0.02Light rain
MorningLight rain52°feels 50°
AfternoonLight rain64°feels 63°
EveningLight rain60°feels 58°
OvernightLight rain55°feels 54°
68 °Light rain

Johnston, Tuesday, 20 October

Light rain. High 68°, low 47°.

Pressure30.24 inHg
Wind8.7 mph S
Humidity61%
Visibility—
Dew point48°
Wed, 2165° / 53°0Light rain
MorningLight rain55°feels 53°
AfternoonLight rain61°feels 60°
EveningLight rain62°feels 61°
OvernightLight rain59°feels 59°
65 °Light rain

Johnston, Wednesday, 21 October

Light rain. High 65°, low 53°.

Pressure30.24 inHg
Wind11.2 mph S
Humidity65%
Visibility—
Dew point48°
Thu, 2264° / 59°0.15Light rain
MorningLight rain61°feels 60°
AfternoonLight rain62°feels 62°
EveningLight rain61°feels 61°
OvernightLight rain60°feels 60°
64 °Light rain

Johnston, Thursday, 22 October

Light rain. High 64°, low 59°.

Pressure30.15 inHg
Wind14.7 mph S
Humidity88%
Visibility—
Dew point58°
Fri, 2371° / 57°0.01Light rain
MorningLight rain60°feels 58°
AfternoonLight rain66°feels 64°
EveningLight rain67°feels 66°
OvernightLight rain65°feels 64°
71 °Light rain

Johnston, Friday, 23 October

Light rain. High 71°, low 57°.

Pressure30.00 inHg
Wind18.3 mph SE
Humidity51%
Visibility—
Dew point46°
Sat, 2467° / 56°0.12Rain
MorningRain61°feels 60°
AfternoonRain64°feels 63°
EveningRain58°feels 57°
OvernightRain56°feels 55°
67 °Rain

Johnston, Saturday, 24 October

Rain. High 67°, low 56°.

Pressure30.12 inHg
Wind20.8 mph S
Humidity50%
Visibility—
Dew point45°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Johnston, IA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.