Monthly outlook for Deer Park, MO: average high 66.7°, average low 46.7°. That is 2.9° above the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 25 October (77.3°), the coolest 29 October (36.7°).
66.7°/46.7°
Average high / low
+2.9°
Above normal
2 / 5
Wet days / normal
0.8 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
21 October – 30 October
66.9°
63°
+2.1°
31 October – 9 November
66.5°
58.4°
+4.5°
10 November – 19 November
at normal
53.9°
—
October records over 66 years
92.5°10 October 1963All-time high
27°31 October 1993All-time low
Climate normals and records are computed from the nearest reference point — Columbia (7 mi).
Thu, 2275° / 47°0
75 °
Deer Park, Thursday, 22 October
Clear. High 75°, low 47°.
Pressure30.27 inHg
Wind2.5 mph E
Humidity40%
Visibility6.2 mi
Dew point47°
Fri, 2374° / 53°0
74 °
Deer Park, Friday, 23 October
Partly cloudy. High 74°, low 53°.
Pressure30.27 inHg
Wind8.1 mph S
Humidity46%
Visibility6.2 mi
Dew point49°
Sat, 2474° / 53°0
74 °
Deer Park, Saturday, 24 October
Overcast. High 74°, low 53°.
Pressure30.30 inHg
Wind7.4 mph S
Humidity45%
Visibility6.2 mi
Dew point47°
Sun, 2577° / 55°0
77 °
Deer Park, Sunday, 25 October
Overcast. High 77°, low 55°.
Pressure30.33 inHg
Wind6.4 mph SE
Humidity39%
Visibility—
Dew point46°
Mon, 2673° / 51°0
73 °
Deer Park, Monday, 26 October
Overcast. High 73°, low 51°.
Pressure30.21 inHg
Wind14.7 mph N
Humidity34%
Visibility—
Dew point40°
Tue, 2746° / 41°0.34
46 °
Deer Park, Tuesday, 27 October
Light rain. High 46°, low 41°.
Pressure30.39 inHg
Wind12 mph N
Humidity83%
Visibility—
Dew point38°
Wed, 2855° / 40°0
55 °
Deer Park, Wednesday, 28 October
Overcast. High 55°, low 40°.
Pressure30.33 inHg
Wind5.9 mph NW
Humidity44%
Visibility—
Dew point31°
Thu, 2959° / 37°0
59 °
Deer Park, Thursday, 29 October
Clear. High 59°, low 37°.
Pressure30.27 inHg
Wind5.7 mph W
Humidity42%
Visibility—
Dew point31°
Fri, 3062° / 40°0
62 °
Deer Park, Friday, 30 October
Overcast. High 62°, low 40°.
Pressure30.18 inHg
Wind7.9 mph SE
Humidity43%
Visibility—
Dew point35°
Sat, 3165° / 41°0
65 °
Deer Park, Saturday, 31 October
Overcast. High 65°, low 41°.
Pressure29.94 inHg
Wind12.1 mph S
Humidity29%
Visibility—
Dew point28°
Sun, 0165° / 50°0.42
65 °
Deer Park, Sunday, 1 November
Rain. High 65°, low 50°.
Pressure29.94 inHg
Wind11 mph S
Humidity83%
Visibility—
Dew point51°
Mon, 0270° / 54°0
70 °
Deer Park, Monday, 2 November
Clear. High 70°, low 54°.
Pressure30.18 inHg
Wind7 mph N
Humidity34%
Visibility—
Dew point38°
Tue, 0364° / 45°0
64 °
Deer Park, Tuesday, 3 November
Overcast. High 64°, low 45°.
Pressure30.30 inHg
Wind8 mph SE
Humidity34%
Visibility—
Dew point31°
Wed, 0471° / 48°0
71 °
Deer Park, Wednesday, 4 November
Clear. High 71°, low 48°.
Pressure29.97 inHg
Wind8.1 mph SE
Humidity53%
Visibility—
Dew point49°
Thu, 0564° / 45°0
64 °
Deer Park, Thursday, 5 November
Clear. High 64°, low 45°.
Pressure30.24 inHg
Wind9.6 mph E
Humidity38%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 0657° / 42°0.09
57 °
Deer Park, Friday, 6 November
Climate normal for this date — 60-year average.
Average high57°
Average low42°
Average precipitation0.09 in
Chance of precipitation23%
Record high76° (1999)
Record low27° (1993)
Sat, 0758° / 42°0.04
58 °
Deer Park, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high58°
Average low42°
Average precipitation0.04 in
Chance of precipitation15%
Record high76° (1999)
Record low13° (1991)
Sun, 0858° / 42°0.05
58 °
Deer Park, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high58°
Average low42°
Average precipitation0.05 in
Chance of precipitation18%
Record high78° (2005)
Record low-3° (1991)
Mon, 0958° / 42°0.11
58 °
Deer Park, Monday, 9 November
Climate normal for this date — 60-year average.
Average high58°
Average low42°
Average precipitation0.11 in
Chance of precipitation30%
Record high78° (2022)
Record low12° (1991)
Tue, 1055° / 40°0.13
55 °
Deer Park, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.13 in
Chance of precipitation30%
Record high76° (2022)
Record low17° (2018)
Wed, 1154° / 38°0.09
54 °
Deer Park, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high54°
Average low38°
Average precipitation0.09 in
Chance of precipitation28%
Record high77° (1964)
Record low19° (2019)
Thu, 1252° / 37°0.09
52 °
Deer Park, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.09 in
Chance of precipitation20%
Record high75° (1999)
Record low10° (2019)
Fri, 1354° / 38°0.05
54 °
Deer Park, Friday, 13 November
Climate normal for this date — 60-year average.
Average high54°
Average low38°
Average precipitation0.05 in
Chance of precipitation20%
Record high78° (1999)
Record low11° (1986)
Sat, 1454° / 39°0.07
54 °
Deer Park, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.07 in
Chance of precipitation25%
Record high78° (2025)
Record low15° (2018)
Sun, 1554° / 39°0.09
54 °
Deer Park, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.09 in
Chance of precipitation37%
Record high76° (2025)
Record low23° (2019)
Mon, 1654° / 38°0.08
54 °
Deer Park, Monday, 16 November
Climate normal for this date — 60-year average.
Average high54°
Average low38°
Average precipitation0.08 in
Chance of precipitation22%
Record high72° (2021)
Record low24° (1997)
Tue, 1755° / 39°0.15
55 °
Deer Park, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high55°
Average low39°
Average precipitation0.15 in
Chance of precipitation28%
Record high76° (2016)
Record low20° (2014)
Wed, 1853° / 39°0.11
53 °
Deer Park, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high53°
Average low39°
Average precipitation0.11 in
Chance of precipitation30%
Record high74° (1999)
Record low15° (2014)
Thu, 1954° / 39°0.09
54 °
Deer Park, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.09 in
Chance of precipitation23%
Record high71° (1979)
Record low20° (2022)
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 Deer Park, 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 Deer Park, 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.