As of 00:59 CDT

Weather in St. John, IN

60°

St. John, Thursday, 15 October, 00:59

Overcast. Feels like 59°. High 68°, low 59°.

Pressure30.15 inHg

Wind8.1 mph NE

Humidity84%

Visibility6.2 mi

Dew point55°

See detailed hourly forecast

Fri, 1661° / 46°

0.07

61 °

St. John, Friday, 16 October

Rain. High 61°, low 46°.

Pressure30.03 inHg

Wind13.9 mph NW

Humidity68%

Visibility6.2 mi

Dew point42°

Sat, 1755° / 40°

55 °

St. John, Saturday, 17 October

Clear. High 55°, low 40°.

Pressure30.53 inHg

Wind2.4 mph NW

Humidity58%

Visibility6.2 mi

Dew point38°

Sun, 1861° / 42°

61 °

St. John, Sunday, 18 October

Clear. High 61°, low 42°.

Pressure30.47 inHg

Wind9.6 mph SW

Humidity54%

Visibility6.2 mi

Dew point40°

Mon, 1963° / 41°

63 °

St. John, Monday, 19 October

Partly cloudy. High 63°, low 41°.

Pressure30.39 inHg

Wind6.9 mph S

Humidity49%

Visibility—

Dew point39°

Tue, 2068° / 44°

68 °

St. John, Tuesday, 20 October

Clear. High 68°, low 44°.

Pressure30.36 inHg

Wind5.4 mph E

Humidity43%

Visibility—

Dew point40°

Wed, 2171° / 54°

71 °

St. John, Wednesday, 21 October

Partly cloudy. High 71°, low 54°.

Pressure30.33 inHg

Wind7.3 mph SE

Humidity44%

Visibility—

Dew point45°

Thu, 2274° / 55°

74 °

St. John, Thursday, 22 October

Mostly clear. High 74°, low 55°.

Pressure30.24 inHg

Wind8.5 mph S

Humidity38%

Visibility—

Dew point43°

Fri, 2378° / 59°

78 °

St. John, Friday, 23 October

Overcast. High 78°, low 59°.

Pressure30.03 inHg

Wind16.3 mph S

Humidity47%

Visibility—

Dew point53°

Sat, 2466° / 64°

1.16

66 °

St. John, Saturday, 24 October

Heavy rain. High 66°, low 64°.

Pressure30.18 inHg

Wind9.1 mph S

Humidity90%

Visibility—

Dew point62°

Sun, 2562° / 55°

0.27

62 °

St. John, Sunday, 25 October

Rain. High 62°, low 55°.

Pressure30.12 inHg

Wind11 mph N

Humidity87%

Visibility—

Dew point54°

Mon, 2656° / 46°

1.25

56 °

St. John, Monday, 26 October

Heavy rain. High 56°, low 46°.

Pressure30.06 inHg

Wind13.5 mph N

Humidity45%

Visibility—

Dew point32°

Tue, 2760° / 46°

60 °

St. John, Tuesday, 27 October

Mostly clear. High 60°, low 46°.

Pressure30.15 inHg

Wind4.6 mph SW

Humidity45%

Visibility—

Dew point36°

Wed, 2861° / 49°

61 °

St. John, Wednesday, 28 October

Partly cloudy. High 61°, low 49°.

Pressure29.91 inHg

Wind3.7 mph SE

Humidity45%

Visibility—

Dew point38°

Thu, 2960° / 49°

60 °

St. John, Thursday, 29 October

Clear. High 60°, low 49°.

Pressure29.94 inHg

Wind12.3 mph NW

Humidity52%

Visibility—

Dew point41°

Fri, 3058° / 46°

58 °

St. John, Friday, 30 October

Clear. High 58°, low 46°.

Pressure30.12 inHg

Wind9.1 mph S

Humidity37%

Visibility—

Dew point31°

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 St. John, IN 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 St. John, IN 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.