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As of 15:30 CDT

Weather in Preston, IA

82°Current weather

Preston, Saturday, 8 August, 15:30

Clear. Feels like 84°. High 83°, low 66°.

Pressure30.03 inHg
Wind4 mph W
Humidity57%
Visibility6.2 mi
Dew point66°
Sun, 0989° / 64°0.17Rain
89 °Rain

Preston, Sunday, 9 August

Rain. High 89°, low 64°.

Pressure29.88 inHg
Wind13.8 mph SE
Humidity98%
Visibility6.2 mi
Dew point67°
Mon, 1084° / 74°0Overcast
84 °Overcast

Preston, Monday, 10 August

Overcast. High 84°, low 74°.

Pressure29.85 inHg
Wind7.2 mph SE
Humidity76%
Visibility6.2 mi
Dew point73°
Tue, 1189° / 72°0.02Light rain
89 °Light rain

Preston, Tuesday, 11 August

Light rain. High 89°, low 72°.

Pressure29.77 inHg
Wind11.3 mph SW
Humidity62%
Visibility6.2 mi
Dew point71°
Wed, 1283° / 69°0.02Light rain
83 °Light rain

Preston, Wednesday, 12 August

Light rain. High 83°, low 69°.

Pressure29.88 inHg
Wind5.7 mph S
Humidity86%
Visibility6.2 mi
Dew point69°
Thu, 1373° / 64°0Light rain
73 °Light rain

Preston, Thursday, 13 August

Light rain. High 73°, low 64°.

Pressure29.94 inHg
Wind12 mph NE
Humidity74%
Visibility—
Dew point63°
Fri, 1476° / 59°0Clear
76 °Clear

Preston, Friday, 14 August

Clear. High 76°, low 59°.

Pressure30.21 inHg
Wind6 mph NE
Humidity52%
Visibility—
Dew point54°
Sat, 1576° / 56°0Overcast
76 °Overcast

Preston, Saturday, 15 August

Overcast. High 76°, low 56°.

Pressure30.30 inHg
Wind9.1 mph S
Humidity57%
Visibility—
Dew point56°
Sun, 1678° / 57°0Overcast
78 °Overcast

Preston, Sunday, 16 August

Overcast. High 78°, low 57°.

Pressure30.15 inHg
Wind13.7 mph S
Humidity67%
Visibility—
Dew point60°
Mon, 1786° / 67°0.03Light rain
86 °Light rain

Preston, Monday, 17 August

Light rain. High 86°, low 67°.

Pressure29.94 inHg
Wind7.1 mph N
Humidity70%
Visibility—
Dew point70°
Tue, 1885° / 69°0Partly cloudy
85 °Partly cloudy

Preston, Tuesday, 18 August

Partly cloudy. High 85°, low 69°.

Pressure30.03 inHg
Wind8.7 mph SE
Humidity61%
Visibility—
Dew point67°
Wed, 1986° / 68°0.23Light rain
86 °Light rain

Preston, Wednesday, 19 August

Light rain. High 86°, low 68°.

Pressure29.88 inHg
Wind9.5 mph SW
Humidity66%
Visibility—
Dew point71°
Thu, 2077° / 66°0.03Light rain
77 °Light rain

Preston, Thursday, 20 August

Light rain. High 77°, low 66°.

Pressure29.94 inHg
Wind9.7 mph NE
Humidity65%
Visibility—
Dew point63°
Fri, 2183° / 64°0.02Light rain
83 °Light rain

Preston, Friday, 21 August

Light rain. High 83°, low 64°.

Pressure29.97 inHg
Wind6.9 mph S
Humidity55%
Visibility—
Dew point61°
Sat, 2273° / 56°0.03Light rain
73 °Light rain

Preston, Saturday, 22 August

Light rain. High 73°, low 56°.

Pressure30.00 inHg
Wind16.4 mph NE
Humidity86%
Visibility—
Dew point60°
Sun, 2370° / 45°0Clear
70 °Clear

Preston, Sunday, 23 August

Clear. High 70°, low 45°.

Pressure30.24 inHg
Wind11.3 mph E
Humidity48%
Visibility—
Dew point44°

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 Preston, 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 Preston, 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.