As of 17:36 CDT

Weather in St. John, MO

86°Current weather

St. John, Friday, 9 October, 17:36

Clear. Feels like 84°. High 87°, low 54°.

Pressure30.00 inHg
Wind9.2 mph S
Humidity27%
Visibility6.2 mi
Dew point48°

Monthly outlook for St. John, MO: average high 75.2°, average low 56°. That is 4.9° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 12 October (91.1°), the coolest 18 October (38.6°).

75.2°/56°
Average high / low
+4.9°
Above normal
2 / 5
Wet days / normal
0.8 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
9 October – 18 October76.6°67.6°+5°
19 October – 28 October72.9°63.4°+5.3°
29 October – 7 Novemberat normal59.3°—

October records over 66 years

91°1 October 2019All-time high
27.7°24 October 1981All-time low

Climate normals and records are computed from the nearest reference point — Breckenridge Hills (1 mi).

Sat, 1080° / 56°0Overcast
80 °Overcast

St. John, Saturday, 10 October

Overcast. High 80°, low 56°.

Pressure30.06 inHg
Wind5.6 mph SE
Humidity49%
Visibility6.2 mi
Dew point53°
Sun, 1185° / 55°0Clear
85 °Clear

St. John, Sunday, 11 October

Clear. High 85°, low 55°.

Pressure29.97 inHg
Wind1.9 mph SW
Humidity43%
Visibility6.2 mi
Dew point53°
Mon, 1291° / 69°0Clear
91 °Clear

St. John, Monday, 12 October

Clear. High 91°, low 69°.

Pressure29.91 inHg
Wind10 mph SW
Humidity37%
Visibility6.2 mi
Dew point57°
Tue, 1391° / 74°0Light rain
91 °Light rain

St. John, Tuesday, 13 October

Light rain. High 91°, low 74°.

Pressure29.88 inHg
Wind7.6 mph W
Humidity54%
Visibility6.2 mi
Dew point69°
Wed, 1478° / 69°0.6Rain
78 °Rain

St. John, Wednesday, 14 October

Rain. High 78°, low 69°.

Pressure30.00 inHg
Wind8.5 mph NE
Humidity95%
Visibility—
Dew point72°
Thu, 1582° / 63°0.22Light rain
82 °Light rain

St. John, Thursday, 15 October

Light rain. High 82°, low 63°.

Pressure29.91 inHg
Wind15.3 mph SW
Humidity72%
Visibility—
Dew point67°
Fri, 1667° / 55°0Overcast
67 °Overcast

St. John, Friday, 16 October

Overcast. High 67°, low 55°.

Pressure30.15 inHg
Wind16.5 mph W
Humidity29%
Visibility—
Dew point29°
Sat, 1750° / 42°0Partly cloudy
50 °Partly cloudy

St. John, Saturday, 17 October

Partly cloudy. High 50°, low 42°.

Pressure30.45 inHg
Wind17 mph NW
Humidity40%
Visibility—
Dew point25°
Sun, 1856° / 39°0Partly cloudy
56 °Partly cloudy

St. John, Sunday, 18 October

Partly cloudy. High 56°, low 39°.

Pressure30.50 inHg
Wind5.8 mph N
Humidity29%
Visibility—
Dew point20°
Mon, 1962° / 47°0Overcast
62 °Overcast

St. John, Monday, 19 October

Overcast. High 62°, low 47°.

Pressure30.39 inHg
Wind6.5 mph S
Humidity28%
Visibility—
Dew point25°
Tue, 2069° / 50°0Clear
69 °Clear

St. John, Tuesday, 20 October

Clear. High 69°, low 50°.

Pressure30.39 inHg
Wind4.9 mph S
Humidity23%
Visibility—
Dew point25°
Wed, 2173° / 53°0Clear
73 °Clear

St. John, Wednesday, 21 October

Clear. High 73°, low 53°.

Pressure30.30 inHg
Wind6 mph S
Humidity25%
Visibility—
Dew point30°
Thu, 2276° / 54°0Clear
76 °Clear

St. John, Thursday, 22 October

Clear. High 76°, low 54°.

Pressure30.15 inHg
Wind6.2 mph W
Humidity29%
Visibility—
Dew point37°
Fri, 2378° / 57°0Clear
78 °Clear

St. John, Friday, 23 October

Clear. High 78°, low 57°.

Pressure30.03 inHg
Wind7.4 mph S
Humidity28%
Visibility—
Dew point37°
Sat, 2479° / 60°0Overcast
79 °Overcast

St. John, Saturday, 24 October

Overcast. High 79°, low 60°.

Pressure30.06 inHg
Wind7.8 mph SW
Humidity22%
Visibility—
Dew point33°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 2562° / 47°0.13Climate normal
62 °Climate normal

St. John, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high62°
Average low47°
Average precipitation0.13 in
Chance of precipitation28%
Record high80° (1963)
Record low30° (2013)
Mon, 2661° / 46°0.15Climate normal
61 °Climate normal

St. John, Monday, 26 October

Climate normal for this date — 60-year average.

Average high61°
Average low46°
Average precipitation0.15 in
Chance of precipitation37%
Record high82° (1963)
Record low29° (1962)
Tue, 2762° / 46°0.09Climate normal
62 °Climate normal

St. John, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high62°
Average low46°
Average precipitation0.09 in
Chance of precipitation22%
Record high80° (2023)
Record low33° (2001)
Wed, 2861° / 46°0.05Climate normal
61 °Climate normal

St. John, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high61°
Average low46°
Average precipitation0.05 in
Chance of precipitation22%
Record high78° (1999)
Record low30° (1969)
Thu, 2961° / 46°0.13Climate normal
61 °Climate normal

St. John, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high61°
Average low46°
Average precipitation0.13 in
Chance of precipitation28%
Record high81° (2024)
Record low30° (2017)
Fri, 3063° / 47°0.12Climate normal
63 °Climate normal

St. John, Friday, 30 October

Climate normal for this date — 60-year average.

Average high63°
Average low47°
Average precipitation0.12 in
Chance of precipitation33%
Record high81° (2024)
Record low28° (1980)
Sat, 3162° / 47°0.15Climate normal
62 °Climate normal

St. John, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high62°
Average low47°
Average precipitation0.15 in
Chance of precipitation40%
Record high80° (1968)
Record low28° (2023)
Sun, 0161° / 46°0.18Climate normal
61 °Climate normal

St. John, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high61°
Average low46°
Average precipitation0.18 in
Chance of precipitation32%
Record high79° (2016)
Record low25° (1993)
Mon, 0259° / 44°0.09Climate normal
59 °Climate normal

St. John, Monday, 2 November

Climate normal for this date — 60-year average.

Average high59°
Average low44°
Average precipitation0.09 in
Chance of precipitation32%
Record high79° (2016)
Record low27° (1966)
Tue, 0358° / 43°0.12Climate normal
58 °Climate normal

St. John, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high58°
Average low43°
Average precipitation0.12 in
Chance of precipitation30%
Record high78° (1987)
Record low19° (1991)
Wed, 0457° / 44°0.15Climate normal
57 °Climate normal

St. John, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high57°
Average low44°
Average precipitation0.15 in
Chance of precipitation28%
Record high76° (2022)
Record low19° (1991)
Thu, 0557° / 43°0.17Climate normal
57 °Climate normal

St. John, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high57°
Average low43°
Average precipitation0.17 in
Chance of precipitation33%
Record high77° (1978)
Record low22° (1991)
Fri, 0657° / 42°0.09Climate normal
57 °Climate normal

St. John, Friday, 6 November

Climate normal for this date — 60-year average.

Average high57°
Average low42°
Average precipitation0.09 in
Chance of precipitation32%
Record high77° (2023)
Record low26° (1982)
Sat, 0757° / 42°0.08Climate normal
57 °Climate normal

St. John, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high57°
Average low42°
Average precipitation0.08 in
Chance of precipitation17%
Record high74° (1980)
Record low16° (1991)

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, MO 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, MO 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.