As of 07:07 CDT

Weather in Diagonal, IA

58°

Diagonal, Wednesday, 7 October, 07:07

Clear. Feels like 58°. High 80°, low 56°.

Pressure29.91 inHg

Wind6.4 mph W

Humidity92%

Visibility6.2 mi

Dew point55°

See detailed hourly forecast

Thu, 0877° / 51°

0.01

77 °

Diagonal, Thursday, 8 October

Light rain. High 77°, low 51°.

Pressure30.12 inHg

Wind5.5 mph E

Humidity55%

Visibility6.2 mi

Dew point52°

Fri, 0980° / 57°

80 °

Diagonal, Friday, 9 October

Clear. High 80°, low 57°.

Pressure29.97 inHg

Wind14.2 mph S

Humidity59%

Visibility6.2 mi

Dew point61°

Sat, 1080° / 64°

80 °

Diagonal, Saturday, 10 October

Clear. High 80°, low 64°.

Pressure29.94 inHg

Wind15.8 mph S

Humidity55%

Visibility6.2 mi

Dew point59°

Sun, 1178° / 60°

78 °

Diagonal, Sunday, 11 October

Clear. High 78°, low 60°.

Pressure29.83 inHg

Wind14.5 mph S

Humidity46%

Visibility—

Dew point52°

Mon, 1272° / 59°

0.02

72 °

Diagonal, Monday, 12 October

Light rain. High 72°, low 59°.

Pressure29.83 inHg

Wind13.9 mph N

Humidity68%

Visibility—

Dew point60°

Tue, 1361° / 49°

0.03

61 °

Diagonal, Tuesday, 13 October

Light rain. High 61°, low 49°.

Pressure30.06 inHg

Wind12.9 mph E

Humidity64%

Visibility—

Dew point46°

Wed, 1474° / 51°

0.6

74 °

Diagonal, Wednesday, 14 October

Rain. High 74°, low 51°.

Pressure29.80 inHg

Wind22.9 mph SE

Humidity76%

Visibility—

Dew point57°

Thu, 1570° / 49°

0.56

70 °

Diagonal, Thursday, 15 October

Rain. High 70°, low 49°.

Pressure29.77 inHg

Wind18.6 mph SW

Humidity91%

Visibility—

Dew point54°

Fri, 1652° / 41°

52 °

Diagonal, Friday, 16 October

Clear. High 52°, low 41°.

Pressure30.24 inHg

Wind16.8 mph NW

Humidity50%

Visibility—

Dew point32°

Sat, 1748° / 34°

48 °

Diagonal, Saturday, 17 October

Clear. High 48°, low 34°.

Pressure30.42 inHg

Wind13.8 mph N

Humidity55%

Visibility—

Dew point29°

Sun, 1854° / 35°

54 °

Diagonal, Sunday, 18 October

Overcast. High 54°, low 35°.

Pressure30.27 inHg

Wind11.6 mph SW

Humidity47%

Visibility—

Dew point30°

Mon, 1958° / 39°

58 °

Diagonal, Monday, 19 October

Overcast. High 58°, low 39°.

Pressure30.15 inHg

Wind13.6 mph S

Humidity48%

Visibility—

Dew point34°

Tue, 2062° / 44°

62 °

Diagonal, Tuesday, 20 October

Overcast. High 62°, low 44°.

Pressure30.39 inHg

Wind9.5 mph S

Humidity47%

Visibility—

Dew point38°

Wed, 2154° / 43°

0.05

54 °

Diagonal, Wednesday, 21 October

Light rain. High 54°, low 43°.

Pressure30.33 inHg

Wind11.4 mph NW

Humidity67%

Visibility—

Dew point42°

Thu, 2256° / 38°

56 °

Diagonal, Thursday, 22 October

Clear. High 56°, low 38°.

Pressure30.21 inHg

Wind9.8 mph W

Humidity41%

Visibility—

Dew point29°

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 Diagonal, 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 Diagonal, 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.