As of 17:56 CDT

Weather in Delta, IA

81°

Delta, Thursday, 8 October, 17:56

Overcast. Feels like 80°. High 81°, low 50°.

Pressure30.03 inHg

Wind0 mph N

Humidity28%

Visibility6.2 mi

Dew point45°

See detailed hourly forecast

Monthly outlook for Delta, IA: average high 70.1°, average low 51.8°. That is 3.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 9 October (82.8°), the coolest 18 October (38°).

70.1°/51.8°

Average high / low

+3.9°

Above normal

3 / 4

Wet days / normal

0.8 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
8 October – 17 October	73.4°	64.3°	+5.1°
18 October – 27 October	64.7°	59.9°	+2.7°
28 October – 6 November	at normal	55.1°	—

October records over 66 years

93°6 October 1963All-time high

15.8°29 October 1980All-time low

Climate normals and records are computed from the nearest reference point — Rose Hill (7 mi).

Fri, 0983° / 56°

0.28

83 °

Delta, Friday, 9 October

Rain. High 83°, low 56°.

Pressure30.00 inHg

Wind6.1 mph SE

Humidity66%

Visibility6.2 mi

Dew point61°

Sat, 1078° / 61°

78 °

Delta, Saturday, 10 October

Overcast. High 78°, low 61°.

Pressure30.00 inHg

Wind11.2 mph S

Humidity64%

Visibility6.2 mi

Dew point63°

Sun, 1179° / 57°

79 °

Delta, Sunday, 11 October

Clear. High 79°, low 57°.

Pressure29.94 inHg

Wind7 mph S

Humidity57%

Visibility6.2 mi

Dew point58°

Mon, 1283° / 66°

83 °

Delta, Monday, 12 October

Overcast. High 83°, low 66°.

Pressure29.80 inHg

Wind9.1 mph SW

Humidity58%

Visibility6.2 mi

Dew point63°

Tue, 1369° / 60°

69 °

Delta, Tuesday, 13 October

Overcast. High 69°, low 60°.

Pressure29.97 inHg

Wind11.7 mph NE

Humidity73%

Visibility—

Dew point57°

Wed, 1475° / 57°

0.4

75 °

Delta, Wednesday, 14 October

Light rain. High 75°, low 57°.

Pressure29.83 inHg

Wind14.9 mph SW

Humidity95%

Visibility—

Dew point60°

Thu, 1572° / 57°

0.01

72 °

Delta, Thursday, 15 October

Light rain. High 72°, low 57°.

Pressure30.00 inHg

Wind8.6 mph SW

Humidity54%

Visibility—

Dew point50°

Fri, 1663° / 48°

0.01

63 °

Delta, Friday, 16 October

Light rain. High 63°, low 48°.

Pressure30.42 inHg

Wind17 mph N

Humidity56%

Visibility—

Dew point40°

Sat, 1751° / 38°

51 °

Delta, Saturday, 17 October

Mostly clear. High 51°, low 38°.

Pressure30.59 inHg

Wind11.9 mph N

Humidity49%

Visibility—

Dew point29°

Sun, 1856° / 38°

56 °

Delta, Sunday, 18 October

Clear. High 56°, low 38°.

Pressure30.53 inHg

Wind7.3 mph SE

Humidity41%

Visibility—

Dew point29°

Mon, 1959° / 40°

59 °

Delta, Monday, 19 October

Overcast. High 59°, low 40°.

Pressure30.39 inHg

Wind12.5 mph S

Humidity39%

Visibility—

Dew point32°

Tue, 2064° / 46°

0.05

64 °

Delta, Tuesday, 20 October

Light rain. High 64°, low 46°.

Pressure30.15 inHg

Wind10.4 mph S

Humidity61%

Visibility—

Dew point47°

Wed, 2168° / 51°

0.03

68 °

Delta, Wednesday, 21 October

Light rain. High 68°, low 51°.

Pressure30.03 inHg

Wind10.8 mph W

Humidity59%

Visibility—

Dew point50°

Thu, 2270° / 51°

70 °

Delta, Thursday, 22 October

Mostly clear. High 70°, low 51°.

Pressure30.15 inHg

Wind6.1 mph W

Humidity49%

Visibility—

Dew point46°

Fri, 2372° / 53°

72 °

Delta, Friday, 23 October

Clear. High 72°, low 53°.

Pressure30.18 inHg

Wind6.6 mph SE

Humidity51%

Visibility—

Dew point49°

From day 17 onward the outlook is built from 60-year climate statistics

Sat, 2459° / 44°

0.13

59 °

Delta, Saturday, 24 October

Climate normal for this date — 60-year average.

Average high59°

Average low44°

Average precipitation0.13 in

Chance of precipitation32%

Record high81° (2012)

Record low25° (1981)

Sun, 2558° / 43°

0.05

58 °

Delta, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high58°

Average low43°

Average precipitation0.05 in

Chance of precipitation18%

Record high78° (1989)

Record low29° (1962)

Mon, 2658° / 42°

0.09

58 °

Delta, Monday, 26 October

Climate normal for this date — 60-year average.

Average high58°

Average low42°

Average precipitation0.09 in

Chance of precipitation20%

Record high78° (1963)

Record low24° (1962)

Tue, 2757° / 42°

0.07

57 °

Delta, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high57°

Average low42°

Average precipitation0.07 in

Chance of precipitation23%

Record high75° (2014)

Record low19° (1997)

Wed, 2856° / 41°

0.06

56 °

Delta, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high56°

Average low41°

Average precipitation0.06 in

Chance of precipitation22%

Record high77° (2016)

Record low17° (1967)

Thu, 2957° / 41°

0.08

57 °

Delta, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high57°

Average low41°

Average precipitation0.08 in

Chance of precipitation25%

Record high81° (2024)

Record low16° (1980)

Fri, 3058° / 42°

0.1

58 °

Delta, Friday, 30 October

Climate normal for this date — 60-year average.

Average high58°

Average low42°

Average precipitation0.1 in

Chance of precipitation35%

Record high76° (2024)

Record low18° (1980)

Sat, 3156° / 42°

0.13

56 °

Delta, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high56°

Average low42°

Average precipitation0.13 in

Chance of precipitation33%

Record high76° (1968)

Record low22° (1993)

Sun, 0156° / 40°

0.19

56 °

Delta, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high56°

Average low40°

Average precipitation0.19 in

Chance of precipitation37%

Record high75° (2000)

Record low22° (2023)

Mon, 0254° / 39°

0.08

54 °

Delta, Monday, 2 November

Climate normal for this date — 60-year average.

Average high54°

Average low39°

Average precipitation0.08 in

Chance of precipitation35%

Record high75° (1964)

Record low16° (1991)

Tue, 0354° / 39°

0.08

54 °

Delta, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high54°

Average low39°

Average precipitation0.08 in

Chance of precipitation25%

Record high75° (1978)

Record low11° (1991)

Wed, 0453° / 39°

0.1

53 °

Delta, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high53°

Average low39°

Average precipitation0.1 in

Chance of precipitation23%

Record high71° (1978)

Record low10° (1991)

Thu, 0553° / 38°

0.07

53 °

Delta, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high53°

Average low38°

Average precipitation0.07 in

Chance of precipitation27%

Record high71° (2015)

Record low20° (1991)

Fri, 0653° / 37°

0.06

53 °

Delta, Friday, 6 November

Climate normal for this date — 60-year average.

Average high53°

Average low37°

Average precipitation0.06 in

Chance of precipitation22%

Record high71° (2020)

Record low17° (1991)

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 Delta, 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 Delta, 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.