As of 21:45 CDT

Weather in Superior, IA

71°Current weather

Superior, Saturday, 8 August, 21:45

Clear. Feels like 71°. High 79°, low 55°.

Pressure29.91 inHg
Wind14.7 mph S
Humidity73%
Visibility6.2 mi
Dew point62°

Monthly outlook for Superior, IA: average high 85.1°, average low 59.9°. That is 3.8° above the climate normal for August. Precipitation is expected on 6 days (about 0.6 inches), against a normal of 5 days and 2.0 inches. The warmest day looks like 18 August (99.4°), the coolest 21 August (49.6°).

85.1°/59.9°
Average high / low
+3.8°
Above normal
6 / 5
Wet days / normal
0.6 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
8 August – 17 August85.3°78.3°+3.8°
18 August – 27 August84.8°78.3°+3.6°
28 August – 6 Septemberat normal77.1°

August records over 66 years

97.3°2 August 2022All-time high
44.2°28 August 1986All-time low

Climate normals and records are computed from the nearest reference point — Jackson (14 mi).

Sun, 0985° / 65°0.04Light rain
85 °Light rain

Superior, Sunday, 9 August

Light rain. High 85°, low 65°.

Pressure29.77 inHg
Wind0.9 mph NW
Humidity54%
Visibility6.2 mi
Dew point69°
Mon, 1096° / 66°0.08Rain
96 °Rain

Superior, Monday, 10 August

Rain. High 96°, low 66°.

Pressure29.85 inHg
Wind11.1 mph E
Humidity55%
Visibility6.2 mi
Dew point66°
Tue, 1188° / 64°0.2Rain
88 °Rain

Superior, Tuesday, 11 August

Rain. High 88°, low 64°.

Pressure29.83 inHg
Wind11.7 mph NE
Humidity50%
Visibility6.2 mi
Dew point62°
Wed, 1287° / 66°0Overcast
87 °Overcast

Superior, Wednesday, 12 August

Overcast. High 87°, low 66°.

Pressure29.91 inHg
Wind12.8 mph NE
Humidity27%
Visibility6.2 mi
Dew point48°
Thu, 1381° / 60°0Light rain
81 °Light rain

Superior, Thursday, 13 August

Light rain. High 81°, low 60°.

Pressure30.00 inHg
Wind11.5 mph NE
Humidity40%
Visibility
Dew point48°
Fri, 1484° / 57°0Overcast
84 °Overcast

Superior, Friday, 14 August

Overcast. High 84°, low 57°.

Pressure30.09 inHg
Wind10.7 mph NE
Humidity32%
Visibility
Dew point46°
Sat, 1575° / 61°0Overcast
75 °Overcast

Superior, Saturday, 15 August

Overcast. High 75°, low 61°.

Pressure30.18 inHg
Wind14.4 mph SE
Humidity53%
Visibility
Dew point55°
Sun, 1684° / 57°0Overcast
84 °Overcast

Superior, Sunday, 16 August

Overcast. High 84°, low 57°.

Pressure30.09 inHg
Wind8.2 mph SW
Humidity50%
Visibility
Dew point57°
Mon, 1792° / 64°0Partly cloudy
92 °Partly cloudy

Superior, Monday, 17 August

Partly cloudy. High 92°, low 64°.

Pressure29.97 inHg
Wind12.8 mph E
Humidity39%
Visibility
Dew point58°
Tue, 1899° / 65°0Clear
99 °Clear

Superior, Tuesday, 18 August

Clear. High 99°, low 65°.

Pressure29.88 inHg
Wind14.8 mph N
Humidity27%
Visibility
Dew point52°
Wed, 1979° / 58°0.15Rain
79 °Rain

Superior, Wednesday, 19 August

Rain. High 79°, low 58°.

Pressure30.06 inHg
Wind14.1 mph N
Humidity37%
Visibility
Dew point46°
Thu, 2067° / 56°0.05Light rain
67 °Light rain

Superior, Thursday, 20 August

Light rain. High 67°, low 56°.

Pressure30.18 inHg
Wind7.7 mph S
Humidity84%
Visibility
Dew point54°
Fri, 2182° / 50°0Overcast
82 °Overcast

Superior, Friday, 21 August

Overcast. High 82°, low 50°.

Pressure30.00 inHg
Wind16.9 mph SE
Humidity27%
Visibility
Dew point37°
Sat, 2292° / 57°0.05Light rain
92 °Light rain

Superior, Saturday, 22 August

Light rain. High 92°, low 57°.

Pressure29.77 inHg
Wind17.2 mph NW
Humidity28%
Visibility
Dew point47°
Sun, 2388° / 56°0Clear
88 °Clear

Superior, Sunday, 23 August

Clear. High 88°, low 56°.

Pressure29.94 inHg
Wind11.1 mph NW
Humidity26%
Visibility
Dew point42°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2479° / 63°0.09Climate normal
79 °Climate normal

Superior, Monday, 24 August

Climate normal for this date — 60-year average.

Average high79°
Average low63°
Average precipitation0.09 in
Chance of precipitation25%
Record high92° (2003)
Record low50° (1966)
Tue, 2578° / 63°0.11Climate normal
78 °Climate normal

Superior, Tuesday, 25 August

Climate normal for this date — 60-year average.

Average high78°
Average low63°
Average precipitation0.11 in
Chance of precipitation28%
Record high91° (2020)
Record low50° (1964)
Wed, 2679° / 63°0.14Climate normal
79 °Climate normal

Superior, Wednesday, 26 August

Climate normal for this date — 60-year average.

Average high79°
Average low63°
Average precipitation0.14 in
Chance of precipitation35%
Record high92° (1976)
Record low49° (2025)
Thu, 2778° / 63°0.13Climate normal
78 °Climate normal

Superior, Thursday, 27 August

Climate normal for this date — 60-year average.

Average high78°
Average low63°
Average precipitation0.13 in
Chance of precipitation35%
Record high91° (2013)
Record low49° (1986)
Fri, 2878° / 62°0.11Climate normal
78 °Climate normal

Superior, Friday, 28 August

Climate normal for this date — 60-year average.

Average high78°
Average low62°
Average precipitation0.11 in
Chance of precipitation35%
Record high94° (1984)
Record low44° (1986)
Sat, 2978° / 62°0.06Climate normal
78 °Climate normal

Superior, Saturday, 29 August

Climate normal for this date — 60-year average.

Average high78°
Average low62°
Average precipitation0.06 in
Chance of precipitation17%
Record high93° (2012)
Record low48° (1988)
Sun, 3078° / 61°0.09Climate normal
78 °Climate normal

Superior, Sunday, 30 August

Climate normal for this date — 60-year average.

Average high78°
Average low61°
Average precipitation0.09 in
Chance of precipitation30%
Record high96° (2012)
Record low47° (2009)
Mon, 3177° / 61°0.09Climate normal
77 °Climate normal

Superior, Monday, 31 August

Climate normal for this date — 60-year average.

Average high77°
Average low61°
Average precipitation0.09 in
Chance of precipitation27%
Record high88° (1960)
Record low46° (1967)
Tue, 0177° / 60°0.06Climate normal
77 °Climate normal

Superior, Tuesday, 1 September

Climate normal for this date — 60-year average.

Average high77°
Average low60°
Average precipitation0.06 in
Chance of precipitation22%
Record high91° (2011)
Record low45° (1974)
Wed, 0277° / 61°0.11Climate normal
77 °Climate normal

Superior, Wednesday, 2 September

Climate normal for this date — 60-year average.

Average high77°
Average low61°
Average precipitation0.11 in
Chance of precipitation35%
Record high92° (2023)
Record low48° (1968)
Thu, 0376° / 60°0.09Climate normal
76 °Climate normal

Superior, Thursday, 3 September

Climate normal for this date — 60-year average.

Average high76°
Average low60°
Average precipitation0.09 in
Chance of precipitation27%
Record high91° (2023)
Record low39° (1974)
Fri, 0476° / 60°0.11Climate normal
76 °Climate normal

Superior, Friday, 4 September

Climate normal for this date — 60-year average.

Average high76°
Average low60°
Average precipitation0.11 in
Chance of precipitation25%
Record high92° (2023)
Record low43° (2025)
Sat, 0576° / 60°0.06Climate normal
76 °Climate normal

Superior, Saturday, 5 September

Climate normal for this date — 60-year average.

Average high76°
Average low60°
Average precipitation0.06 in
Chance of precipitation25%
Record high89° (1960)
Record low41° (1962)
Sun, 0677° / 59°0.07Climate normal
77 °Climate normal

Superior, Sunday, 6 September

Climate normal for this date — 60-year average.

Average high77°
Average low59°
Average precipitation0.07 in
Chance of precipitation15%
Record high96° (1976)
Record low44° (2025)

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 Superior, IA 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 Superior, IA 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.