Monthly outlook for Mentone, IN: average high 78.3°, average low 61.1°. That is 1° below the climate normal for August. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 5 days and 1.8 inches. The warmest day looks like 10 August (87.7°), the coolest 21 August (51.4°).
78.3°/61.1°
Average high / low
−1°
Below normal
4 / 5
Wet days / normal
1.7 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
8 August – 17 August
79.1°
80.2°
-0.6°
18 August – 27 August
76.8°
80.2°
-1.9°
28 August – 6 September
at normal
79.1°
—
August records over 66 years
95.7°17 August 1988All-time high
43.3°29 August 1986All-time low
Climate normals and records are computed from the nearest reference point — Rochester (11 mi).
Sun, 0987° / 65°0.05
87 °
Mentone, Sunday, 9 August
Light rain. High 87°, low 65°.
Pressure30.00 inHg
Wind11.4 mph S
Humidity72%
Visibility6.2 mi
Dew point69°
Mon, 1088° / 68°0.92
88 °
Mentone, Monday, 10 August
Heavy rain. High 88°, low 68°.
Pressure29.91 inHg
Wind12.7 mph S
Humidity76%
Visibility6.2 mi
Dew point72°
Tue, 1180° / 69°0.52
80 °
Mentone, Tuesday, 11 August
Rain. High 80°, low 69°.
Pressure29.83 inHg
Wind22.1 mph SW
Humidity81%
Visibility6.2 mi
Dew point74°
Wed, 1282° / 66°0.13
82 °
Mentone, Wednesday, 12 August
Rain. High 82°, low 66°.
Pressure29.83 inHg
Wind4.5 mph NE
Humidity70%
Visibility6.2 mi
Dew point67°
Thu, 1373° / 58°0
73 °
Mentone, Thursday, 13 August
Overcast. High 73°, low 58°.
Pressure30.03 inHg
Wind7 mph NE
Humidity58%
Visibility—
Dew point55°
Fri, 1475° / 58°0
75 °
Mentone, Friday, 14 August
Clear. High 75°, low 58°.
Pressure30.12 inHg
Wind6 mph N
Humidity48%
Visibility—
Dew point51°
Sat, 1572° / 57°0
72 °
Mentone, Saturday, 15 August
Overcast. High 72°, low 57°.
Pressure30.30 inHg
Wind9.2 mph E
Humidity54%
Visibility—
Dew point53°
Sun, 1673° / 59°0
73 °
Mentone, Sunday, 16 August
Overcast. High 73°, low 59°.
Pressure30.15 inHg
Wind5.2 mph SE
Humidity73%
Visibility—
Dew point61°
Mon, 1778° / 63°0
78 °
Mentone, Monday, 17 August
Overcast. High 78°, low 63°.
Pressure30.06 inHg
Wind5.2 mph W
Humidity62%
Visibility—
Dew point61°
Tue, 1881° / 63°0
81 °
Mentone, Tuesday, 18 August
Overcast. High 81°, low 63°.
Pressure30.00 inHg
Wind9.1 mph SW
Humidity61%
Visibility—
Dew point64°
Wed, 1977° / 59°0.03
77 °
Mentone, Wednesday, 19 August
Light rain. High 77°, low 59°.
Pressure29.88 inHg
Wind15.4 mph NW
Humidity67%
Visibility—
Dew point64°
Thu, 2069° / 56°0
69 °
Mentone, Thursday, 20 August
Overcast. High 69°, low 56°.
Pressure30.00 inHg
Wind16.7 mph N
Humidity60%
Visibility—
Dew point53°
Fri, 2173° / 51°0
73 °
Mentone, Friday, 21 August
Clear. High 73°, low 51°.
Pressure30.09 inHg
Wind8.2 mph N
Humidity42%
Visibility—
Dew point45°
Sat, 2273° / 53°0.02
73 °
Mentone, Saturday, 22 August
Light rain. High 73°, low 53°.
Pressure29.91 inHg
Wind12.7 mph SE
Humidity63%
Visibility—
Dew point58°
Sun, 2387° / 64°0
87 °
Mentone, Sunday, 23 August
Partly cloudy. High 87°, low 64°.
Pressure29.88 inHg
Wind17.9 mph W
Humidity45%
Visibility—
Dew point61°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2480° / 63°0.09
80 °
Mentone, Monday, 24 August
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.09 in
Chance of precipitation25%
Record high93° (2023)
Record low53° (1987)
Tue, 2580° / 63°0.07
80 °
Mentone, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.07 in
Chance of precipitation27%
Record high91° (2003)
Record low51° (2017)
Wed, 2681° / 64°0.11
81 °
Mentone, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high81°
Average low64°
Average precipitation0.11 in
Chance of precipitation30%
Record high92° (2020)
Record low52° (2025)
Thu, 2781° / 65°0.12
81 °
Mentone, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high81°
Average low65°
Average precipitation0.12 in
Chance of precipitation35%
Record high93° (2024)
Record low51° (2025)
Fri, 2880° / 64°0.13
80 °
Mentone, Friday, 28 August
Climate normal for this date — 60-year average.
Average high80°
Average low64°
Average precipitation0.13 in
Chance of precipitation38%
Record high90° (2022)
Record low47° (1986)
Sat, 2980° / 63°0.11
80 °
Mentone, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.11 in
Chance of precipitation38%
Record high91° (1991)
Record low43° (1986)
Sun, 3079° / 63°0.07
79 °
Mentone, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high79°
Average low63°
Average precipitation0.07 in
Chance of precipitation37%
Record high91° (2024)
Record low47° (1986)
Mon, 3179° / 62°0.07
79 °
Mentone, Monday, 31 August
Climate normal for this date — 60-year average.
Average high79°
Average low62°
Average precipitation0.07 in
Chance of precipitation28%
Record high91° (2012)
Record low47° (2009)
Tue, 0179° / 62°0.15
79 °
Mentone, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high79°
Average low62°
Average precipitation0.15 in
Chance of precipitation25%
Record high95° (2011)
Record low47° (1967)
Wed, 0279° / 62°0.07
79 °
Mentone, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high79°
Average low62°
Average precipitation0.07 in
Chance of precipitation27%
Record high95° (2011)
Record low47° (1965)
Thu, 0379° / 62°0.08
79 °
Mentone, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high79°
Average low62°
Average precipitation0.08 in
Chance of precipitation27%
Record high93° (2011)
Record low47° (1974)
Fri, 0478° / 61°0.07
78 °
Mentone, Friday, 4 September
Climate normal for this date — 60-year average.
Average high78°
Average low61°
Average precipitation0.07 in
Chance of precipitation27%
Record high91° (1999)
Record low47° (1997)
Sat, 0578° / 61°0.04
78 °
Mentone, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high78°
Average low61°
Average precipitation0.04 in
Chance of precipitation27%
Record high91° (2007)
Record low47° (1974)
Sun, 0678° / 61°0.07
78 °
Mentone, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high78°
Average low61°
Average precipitation0.07 in
Chance of precipitation25%
Record high91° (1990)
Record low47° (1962)
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 Mentone, 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 Mentone, 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.