Monthly outlook for North Hannibal, NY: average high 74.3°, average low 61.4°. That is 0.5° below the climate normal for August. Precipitation is expected on 6 days (about 0.6 inches), against a normal of 7 days and 2.2 inches. The warmest day looks like 20 August (86.1°), the coolest 22 August (54.8°).
74.3°/61.4°
Average high / low
−0.5°
Below normal
6 / 7
Wet days / normal
0.6 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
9 August – 18 August
73.8°
75.8°
-1.1°
19 August – 28 August
75°
74.4°
+0.4°
29 August – 7 September
at normal
73.1°
—
August records over 66 years
90.5°14 August 2002All-time high
49.3°30 August 1965All-time low
Climate normals and records are computed from the nearest reference point — SUNY Oswego (7 mi).
Mon, 1085° / 67°0.17
85 °
North Hannibal, Monday, 10 August
Light rain. High 85°, low 67°.
Pressure29.94 inHg
Wind6.9 mph S
Humidity94%
Visibility6.2 mi
Dew point65°
Tue, 1175° / 67°0.01
75 °
North Hannibal, Tuesday, 11 August
Light rain. High 75°, low 67°.
Pressure29.88 inHg
Wind9.8 mph W
Humidity65%
Visibility6.2 mi
Dew point62°
Wed, 1277° / 63°0.04
77 °
North Hannibal, Wednesday, 12 August
Light rain. High 77°, low 63°.
Pressure29.77 inHg
Wind7.1 mph SE
Humidity69%
Visibility6.2 mi
Dew point60°
Thu, 1368° / 64°0.08
68 °
North Hannibal, Thursday, 13 August
Light rain. High 68°, low 64°.
Pressure29.80 inHg
Wind20.1 mph NW
Humidity57%
Visibility—
Dew point52°
Fri, 1467° / 59°0.05
67 °
North Hannibal, Friday, 14 August
Light rain. High 67°, low 59°.
Pressure30.03 inHg
Wind16.2 mph NW
Humidity54%
Visibility—
Dew point49°
Sat, 1570° / 60°0
70 °
North Hannibal, Saturday, 15 August
Clear. High 70°, low 60°.
Pressure30.18 inHg
Wind15.5 mph NW
Humidity49%
Visibility—
Dew point48°
Sun, 1670° / 56°0
70 °
North Hannibal, Sunday, 16 August
Overcast. High 70°, low 56°.
Pressure30.15 inHg
Wind9 mph W
Humidity61%
Visibility—
Dew point55°
Mon, 1771° / 59°0.02
71 °
North Hannibal, Monday, 17 August
Light rain. High 71°, low 59°.
Pressure30.03 inHg
Wind6.5 mph SW
Humidity70%
Visibility—
Dew point58°
Tue, 1872° / 60°0
72 °
North Hannibal, Tuesday, 18 August
Partly cloudy. High 72°, low 60°.
Pressure30.06 inHg
Wind9.3 mph N
Humidity63%
Visibility—
Dew point57°
Wed, 1977° / 57°0
77 °
North Hannibal, Wednesday, 19 August
Overcast. High 77°, low 57°.
Pressure30.09 inHg
Wind6.6 mph SE
Humidity50%
Visibility—
Dew point54°
Thu, 2086° / 62°0.01
86 °
North Hannibal, Thursday, 20 August
Light rain. High 86°, low 62°.
Pressure29.91 inHg
Wind20.1 mph NW
Humidity47%
Visibility—
Dew point60°
Fri, 2170° / 61°0.01
70 °
North Hannibal, Friday, 21 August
Light rain. High 70°, low 61°.
Pressure29.91 inHg
Wind19.1 mph NW
Humidity49%
Visibility—
Dew point48°
Sat, 2268° / 55°0
68 °
North Hannibal, Saturday, 22 August
Clear. High 68°, low 55°.
Pressure30.09 inHg
Wind7.5 mph NW
Humidity42%
Visibility—
Dew point43°
Sun, 2380° / 59°0.19
80 °
North Hannibal, Sunday, 23 August
Light rain. High 80°, low 59°.
Pressure29.85 inHg
Wind13.4 mph S
Humidity59%
Visibility—
Dew point61°
Mon, 2470° / 64°0.04
70 °
North Hannibal, Monday, 24 August
Light rain. High 70°, low 64°.
Pressure29.91 inHg
Wind17.3 mph W
Humidity68%
Visibility—
Dew point58°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 2574° / 64°0.12
74 °
North Hannibal, Tuesday, 25 August
Climate normal for this date — 60-year average.
Average high74°
Average low64°
Average precipitation0.12 in
Chance of precipitation42%
Record high87° (2021)
Record low55° (1971)
Wed, 2675° / 65°0.09
75 °
North Hannibal, Wednesday, 26 August
Climate normal for this date — 60-year average.
Average high75°
Average low65°
Average precipitation0.09 in
Chance of precipitation37%
Record high84° (2012)
Record low55° (2017)
Thu, 2774° / 65°0.15
74 °
North Hannibal, Thursday, 27 August
Climate normal for this date — 60-year average.
Average high74°
Average low65°
Average precipitation0.15 in
Chance of precipitation48%
Record high86° (2024)
Record low54° (2017)
Fri, 2875° / 65°0.22
75 °
North Hannibal, Friday, 28 August
Climate normal for this date — 60-year average.
Average high75°
Average low65°
Average precipitation0.22 in
Chance of precipitation50%
Record high90° (2018)
Record low52° (1986)
Sat, 2974° / 65°0.15
74 °
North Hannibal, Saturday, 29 August
Climate normal for this date — 60-year average.
Average high74°
Average low65°
Average precipitation0.15 in
Chance of precipitation42%
Record high90° (2022)
Record low53° (1986)
Sun, 3073° / 64°0.12
73 °
North Hannibal, Sunday, 30 August
Climate normal for this date — 60-year average.
Average high73°
Average low64°
Average precipitation0.12 in
Chance of precipitation35%
Record high83° (1991)
Record low49° (1965)
Mon, 3173° / 64°0.14
73 °
North Hannibal, Monday, 31 August
Climate normal for this date — 60-year average.
Average high73°
Average low64°
Average precipitation0.14 in
Chance of precipitation42%
Record high85° (1993)
Record low52° (1965)
Tue, 0173° / 63°0.07
73 °
North Hannibal, Tuesday, 1 September
Climate normal for this date — 60-year average.
Average high73°
Average low63°
Average precipitation0.07 in
Chance of precipitation30%
Record high87° (2010)
Record low54° (2017)
Wed, 0273° / 63°0.15
73 °
North Hannibal, Wednesday, 2 September
Climate normal for this date — 60-year average.
Average high73°
Average low63°
Average precipitation0.15 in
Chance of precipitation40%
Record high84° (2010)
Record low50° (2017)
Thu, 0373° / 63°0.11
73 °
North Hannibal, Thursday, 3 September
Climate normal for this date — 60-year average.
Average high73°
Average low63°
Average precipitation0.11 in
Chance of precipitation42%
Record high88° (2018)
Record low53° (2017)
Fri, 0473° / 63°0.11
73 °
North Hannibal, Friday, 4 September
Climate normal for this date — 60-year average.
Average high73°
Average low63°
Average precipitation0.11 in
Chance of precipitation33%
Record high86° (1973)
Record low53° (1963)
Sat, 0573° / 63°0.11
73 °
North Hannibal, Saturday, 5 September
Climate normal for this date — 60-year average.
Average high73°
Average low63°
Average precipitation0.11 in
Chance of precipitation35%
Record high89° (2018)
Record low51° (2000)
Sun, 0673° / 63°0.13
73 °
North Hannibal, Sunday, 6 September
Climate normal for this date — 60-year average.
Average high73°
Average low63°
Average precipitation0.13 in
Chance of precipitation40%
Record high86° (2023)
Record low52° (2000)
Mon, 0773° / 62°0.15
73 °
North Hannibal, Monday, 7 September
Climate normal for this date — 60-year average.
Average high73°
Average low62°
Average precipitation0.15 in
Chance of precipitation45%
Record high88° (2007)
Record low52° (1982)
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 North Hannibal, NY 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 North Hannibal, NY 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.