Monthly outlook for San Margherita, OH: average high 83.4°, average low 67.3°. That is 1° above the climate normal for August. Precipitation is expected on 8 days (about 6.6 inches), against a normal of 6 days and 1.6 inches. The warmest day looks like 18 August (91.3°), the coolest 23 August (63.4°).
83.4°/67.3°
Average high / low
+1°
Above normal
8 / 6
Wet days / normal
6.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
84.3°
81.8°
+1.4°
19 August – 28 August
81.9°
81.6°
+0.2°
29 August – 7 September
at normal
80°
—
August records over 66 years
97°20 August 1983All-time high
45.5°29 August 1965All-time low
Climate normals and records are computed from the nearest reference point — Columbus (5 mi).
Mon, 1090° / 69°1.44
90 °
San Margherita, Monday, 10 August
Heavy rain. High 90°, low 69°.
Pressure30.00 inHg
Wind13.2 mph SW
Humidity73%
Visibility6.2 mi
Dew point69°
Tue, 1182° / 66°1.28
82 °
San Margherita, Tuesday, 11 August
Heavy rain. High 82°, low 66°.
Pressure30.00 inHg
Wind7 mph SW
Humidity88%
Visibility6.2 mi
Dew point71°
Wed, 1284° / 65°1.92
84 °
San Margherita, Wednesday, 12 August
Heavy rain. High 84°, low 65°.
Pressure29.83 inHg
Wind4.4 mph NW
Humidity79%
Visibility6.2 mi
Dew point70°
Thu, 1383° / 67°0
83 °
San Margherita, Thursday, 13 August
Mostly clear. High 83°, low 67°.
Pressure30.00 inHg
Wind3.9 mph NE
Humidity61%
Visibility6.2 mi
Dew point64°
Fri, 1479° / 67°0.07
79 °
San Margherita, Friday, 14 August
Light rain. High 79°, low 67°.
Pressure30.06 inHg
Wind4 mph S
Humidity71%
Visibility—
Dew point67°
Sat, 1579° / 69°0.47
79 °
San Margherita, Saturday, 15 August
Rain. High 79°, low 69°.
Pressure30.09 inHg
Wind11.2 mph S
Humidity90%
Visibility—
Dew point72°
Sun, 1687° / 70°0
87 °
San Margherita, Sunday, 16 August
Mostly clear. High 87°, low 70°.
Pressure29.88 inHg
Wind15.2 mph W
Humidity62%
Visibility—
Dew point71°
Mon, 1780° / 65°0
80 °
San Margherita, Monday, 17 August
Partly cloudy. High 80°, low 65°.
Pressure30.06 inHg
Wind5.8 mph NW
Humidity58%
Visibility—
Dew point61°
Tue, 1891° / 68°0.02
91 °
San Margherita, Tuesday, 18 August
Light rain. High 91°, low 68°.
Pressure29.88 inHg
Wind10.8 mph SW
Humidity68%
Visibility—
Dew point71°
Wed, 1986° / 72°0
86 °
San Margherita, Wednesday, 19 August
Clear. High 86°, low 72°.
Pressure30.03 inHg
Wind9.3 mph NW
Humidity53%
Visibility—
Dew point65°
Thu, 2074° / 69°0.85
74 °
San Margherita, Thursday, 20 August
Rain. High 74°, low 69°.
Pressure29.97 inHg
Wind6.1 mph W
Humidity94%
Visibility—
Dew point70°
Fri, 2186° / 68°0.44
86 °
San Margherita, Friday, 21 August
Rain. High 86°, low 68°.
Pressure29.83 inHg
Wind6.4 mph NE
Humidity64%
Visibility—
Dew point70°
Sat, 2281° / 65°0.04
81 °
San Margherita, Saturday, 22 August
Light rain. High 81°, low 65°.
Pressure29.91 inHg
Wind10.7 mph N
Humidity59%
Visibility—
Dew point63°
Sun, 2382° / 63°0
82 °
San Margherita, Sunday, 23 August
Clear. High 82°, low 63°.
Pressure30.00 inHg
Wind4.7 mph NW
Humidity55%
Visibility—
Dew point61°
Mon, 2484° / 65°0
84 °
San Margherita, Monday, 24 August
Clear. High 84°, low 65°.
Pressure30.03 inHg
Wind5.6 mph W
Humidity45%
Visibility—
Dew point58°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2582° / 64°0.06
82 °
San Margherita, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high82°
Average low64°
Average precipitation0.06 in
Chance of precipitation30%
Record high91° (2006)
Record low53° (1984)
Wed, 2682° / 64°0.11
82 °
San Margherita, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high82°
Average low64°
Average precipitation0.11 in
Chance of precipitation32%
Record high92° (2024)
Record low53° (2017)
Thu, 2782° / 65°0.06
82 °
San Margherita, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high82°
Average low65°
Average precipitation0.06 in
Chance of precipitation28%
Record high93° (2024)
Record low53° (2025)
Fri, 2882° / 65°0.11
82 °
San Margherita, Friday, 28 August
Climate normal for this date — 60-year average.
Average high82°
Average low65°
Average precipitation0.11 in
Chance of precipitation33%
Record high92° (2024)
Record low51° (1968)
Sat, 2981° / 64°0.16
81 °
San Margherita, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high81°
Average low64°
Average precipitation0.16 in
Chance of precipitation35%
Record high92° (1991)
Record low46° (1965)
Sun, 3081° / 64°0.16
81 °
San Margherita, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high81°
Average low64°
Average precipitation0.16 in
Chance of precipitation33%
Record high95° (2024)
Record low48° (1986)
Mon, 3180° / 63°0.09
80 °
San Margherita, Monday, 31 August
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.09 in
Chance of precipitation33%
Record high93° (2012)
Record low51° (2009)
Tue, 0180° / 63°0.11
80 °
San Margherita, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.11 in
Chance of precipitation28%
Record high92° (2010)
Record low50° (1967)
Wed, 0281° / 63°0.08
81 °
San Margherita, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high81°
Average low63°
Average precipitation0.08 in
Chance of precipitation32%
Record high93° (2011)
Record low49° (1967)
Thu, 0380° / 63°0.11
80 °
San Margherita, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high80°
Average low63°
Average precipitation0.11 in
Chance of precipitation28%
Record high94° (2011)
Record low50° (1967)
Fri, 0480° / 62°0.06
80 °
San Margherita, Friday, 4 September
Climate normal for this date — 60-year average.
Average high80°
Average low62°
Average precipitation0.06 in
Chance of precipitation25%
Record high92° (2008)
Record low47° (1997)
Sat, 0579° / 61°0.08
79 °
San Margherita, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high79°
Average low61°
Average precipitation0.08 in
Chance of precipitation27%
Record high91° (2023)
Record low49° (1997)
Sun, 0679° / 61°0.03
79 °
San Margherita, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high79°
Average low61°
Average precipitation0.03 in
Chance of precipitation20%
Record high94° (2007)
Record low46° (1988)
Mon, 0779° / 61°0.04
79 °
San Margherita, Monday, 7 September
Climate normal for this date — 60-year average.
Average high79°
Average low61°
Average precipitation0.04 in
Chance of precipitation25%
Record high92° (2010)
Record low46° (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 San Margherita, OH 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 San Margherita, OH 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.