Weather in Johnston Iowa, United States. 15 days forecast
Current weather conditions
Sky / Temperature 77°F | Wind 4 mi/h | Atmospheric pressure1011 hPa | Humidity69% | Wind chill77°F | Dewpoint66°F |
Updated: 9/18/2024 at 21:35 (Local time)
Weather Station: Ankeny, Ankeny Regional Airport
°F°C
mi/hkm/h
Weather forecast 15 days
15-day weather forecast with temperatures, sky state, wind speed and direction, cloud percentage, probability of precipitation, accumulated precipitation, humidity, atmospheric pressure, sunrise and sunset times, moonrise and moonset times, and daily moon phase. Weather forecast for Johnston.
Today, september 18
87°F64°F
6:5719:21
19:4207:32
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 21:00 | 77°F | 8 mi/h | 1010 hPa | 68% | 36% | 0% | 0 mm |
| 22:00 | 75°F | 7 mi/h | 1010 hPa | 70% | 46% | 0% | 0 mm |
| 23:00 | 75°F | 7 mi/h | 1011 hPa | 72% | 50% | 0% | 0 mm |
Tomorrow, september 19
88°F68°F
6:5819:19
20:0708:51
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 73°F | 7 mi/h | 1011 hPa | 71% | 38% | 0% | 0 mm |
| 03:00 | 72°F | 7 mi/h | 1010 hPa | 71% | 30% | 0% | 0 mm |
| 06:00 | 70°F | 7 mi/h | 1010 hPa | 76% | 41% | 40% | 0 mm |
| 09:00 | 72°F |  8 mi/h | 1011 hPa | 81% | 42% | 48% | 0.1 mm |
| 12:00 | 81°F | 10 mi/h | 1010 hPa | 71% | 34% | 44% | 0.1 mm |
| 15:00 | 86°F | 10 mi/h | 1007 hPa | 60% | 42% | 28% | 0 mm |
| 18:00 | 86°F | 8 mi/h | 1006 hPa | 61% | 31% | 28% | 0 mm |
| 21:00 | 79°F |  6 mi/h | 1006 hPa | 77% | 32% | 44% | 0.1 mm |
Friday, september 20
85°F63°F
6:5919:18
20:3510:12
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 72°F | 4 mi/h | 1009 hPa | 91% | 30% | 44% | 0.1 mm |
| 03:00 | 68°F |  2 mi/h | 1009 hPa | 93% | 18% | 0% | 0 mm |
| 06:00 | 64°F |  2 mi/h | 1010 hPa | 95% | 15% | 0% | 0 mm |
| 09:00 | 70°F | 3 mi/h | 1011 hPa | 82% | 6% | 0% | 0 mm |
| 12:00 | 79°F | 5 mi/h | 1011 hPa | 58% | 5% | 0% | 0 mm |
| 15:00 | 84°F |  6 mi/h | 1010 hPa | 45% | 11% | 0% | 0 mm |
| 18:00 | 81°F | 5 mi/h | 1010 hPa | 49% | 19% | 0% | 0 mm |
| 21:00 | 75°F |  4 mi/h | 1011 hPa | 62% | 29% | 0% | 0 mm |
Saturday, september 21
76°F63°F
7:0019:16
21:0811:33
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 68°F | 4 mi/h | 1012 hPa | 76% | 39% | 0% | 0 mm |
| 03:00 | 64°F |  4 mi/h | 1012 hPa | 82% | 52% | 11% | 0.5 mm |
| 06:00 | 63°F | 4 mi/h | 1013 hPa | 86% | 67% | 11% | 0.5 mm |
| 09:00 | 68°F | 6 mi/h | 1013 hPa | 82% | 74% | 38% | 0.6 mm |
| 12:00 | 73°F | 7 mi/h | 1013 hPa | 74% | 77% | 38% | 0.6 mm |
| 15:00 | 75°F | 7 mi/h | 1012 hPa | 74% | 79% | 38% | 0.6 mm |
| 18:00 | 75°F | 6 mi/h | 1012 hPa | 77% | 80% | 38% | 0.5 mm |
| 21:00 | 72°F | 6 mi/h | 1013 hPa | 84% | 84% | 55% | 0.9 mm |
Sunday, september 22
68°F63°F
7:0119:14
21:4912:52
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 68°F | 6 mi/h | 1014 hPa | 94% | 90% | 55% | 1.1 mm |
| 03:00 | 66°F | 6 mi/h | 1013 hPa | 96% | 91% | 55% | 1.2 mm |
| 06:00 | 64°F | 7 mi/h | 1014 hPa | 95% | 89% | 55% | 1.3 mm |
| 09:00 | 64°F | 8 mi/h | 1015 hPa | 91% | 85% | 65% | 1.1 mm |
| 12:00 | 68°F | 9 mi/h | 1014 hPa | 87% | 81% | 65% | 0.9 mm |
| 15:00 | 68°F | 10 mi/h | 1013 hPa | 86% | 74% | 65% | 1 mm |
| 18:00 | 68°F | 9 mi/h | 1012 hPa | 88% | 67% | 65% | 0.9 mm |
| 21:00 | 64°F | 8 mi/h | 1012 hPa | 92% | 62% | 62% | 1.5 mm |
Monday, september 23
69°F58°F
7:0219:12
22:3814:04
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 63°F | 7 mi/h | 1011 hPa | 98% | 59% | 62% | 1.5 mm |
| 03:00 | 61°F | 7 mi/h | 1010 hPa | 100% | 59% | 62% | 1.4 mm |
| 06:00 | 59°F | 7 mi/h | 1010 hPa | 100% | 60% | 62% | 1.1 mm |
| 09:00 | 63°F | 8 mi/h | 1008 hPa | 93% | 56% | 57% | 0.7 mm |
| 12:00 | 68°F | 9 mi/h | 1006 hPa | 83% | 51% | 57% | 0.3 mm |
| 15:00 | 68°F | 9 mi/h | 1004 hPa | 82% | 47% | 57% | 0.5 mm |
| 18:00 | 66°F | 6 mi/h | 1004 hPa | 86% | 45% | 57% | 0.4 mm |
| 21:00 | 63°F | 5 mi/h | 1006 hPa | 89% | 46% | 33% | 0.7 mm |
Tuesday, september 24
67°F56°F
7:0319:11
23:3715:07
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 61°F | 4 mi/h | 1008 hPa | 93% | 47% | 33% | 0.5 mm |
| 03:00 | 59°F | 5 mi/h | 1008 hPa | 94% | 50% | 33% | 0.5 mm |
| 06:00 | 57°F | 6 mi/h | 1009 hPa | 93% | 52% | 33% | 0.3 mm |
| 09:00 | 59°F | 7 mi/h | 1011 hPa | 86% | 50% | 0% | 0 mm |
| 12:00 | 66°F | 9 mi/h | 1011 hPa | 75% | 44% | 0% | 0 mm |
| 15:00 | 66°F | 8 mi/h | 1010 hPa | 74% | 43% | 25% | 0.3 mm |
| 18:00 | 66°F | 6 mi/h | 1011 hPa | 78% | 43% | 25% | 0.3 mm |
| 21:00 | 61°F | 4 mi/h | 1012 hPa | 91% | 64% | 19% | 0.5 mm |
Wednesday, september 25
69°F55°F
7:0419:09
----15:58
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 59°F | 4 mi/h | 1013 hPa | 96% | 54% | 19% | 0.3 mm |
| 03:00 | 57°F | 4 mi/h | 1013 hPa | 96% | 44% | 0% | 0 mm |
| 06:00 | 55°F | 4 mi/h | 1013 hPa | 98% | 36% | 0% | 0 mm |
| 09:00 | 59°F | 6 mi/h | 1014 hPa | 91% | 30% | 0% | 0 mm |
| 12:00 | 66°F | 7 mi/h | 1013 hPa | 77% | 28% | 0% | 0 mm |
| 15:00 | 68°F | 8 mi/h | 1012 hPa | 68% | 26% | 0% | 0 mm |
| 18:00 | 66°F | 6 mi/h | 1011 hPa | 73% | 22% | 0% | 0 mm |
| 21:00 | 61°F | 4 mi/h | 1012 hPa | 90% | 19% | 0% | 0 mm |
Thursday, september 26
69°F54°F
7:0519:07
00:4116:38
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 57°F | 3 mi/h | 1012 hPa | 96% | 15% | 0% | 0 mm |
| 03:00 | 55°F | 4 mi/h | 1011 hPa | 97% | 16% | 0% | 0 mm |
| 06:00 | 54°F | 4 mi/h | 1011 hPa | 98% | 18% | 0% | 0 mm |
| 09:00 | 59°F | 6 mi/h | 1011 hPa | 87% | 19% | 0% | 0 mm |
| 12:00 | 66°F | 7 mi/h | 1010 hPa | 72% | 19% | 0% | 0 mm |
| 15:00 | 68°F | 7 mi/h | 1008 hPa | 70% | 19% | 0% | 0 mm |
| 18:00 | 68°F | 6 mi/h | 1007 hPa | 74% | 18% | 0% | 0 mm |
| 21:00 | 64°F | 6 mi/h | 1007 hPa | 80% | 22% | 0% | 0 mm |
Friday, september 27
70°F56°F
7:0619:05
01:4817:10
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 61°F | 5 mi/h | 1008 hPa | 87% | 28% | 0% | 0 mm |
| 03:00 | 57°F | 2 mi/h | 1007 hPa | 89% | 28% | 0% | 0 mm |
| 06:00 | 55°F | 4 mi/h | 1008 hPa | 87% | 26% | 0% | 0 mm |
| 09:00 | 61°F | 6 mi/h | 1010 hPa | 79% | 31% | 0% | 0 mm |
| 12:00 | 68°F | 8 mi/h | 1010 hPa | 68% | 41% | 0% | 0 mm |
| 15:00 | 68°F | 7 mi/h | 1010 hPa | 66% | 38% | 0% | 0 mm |
| 18:00 | 68°F | 7 mi/h | 1010 hPa | 69% | 30% | 0% | 0 mm |
| 21:00 | 64°F | 4 mi/h | 1012 hPa | 73% | 27% | 0% | 0 mm |
Saturday, september 28
69°F54°F
7:0719:04
02:5417:36
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 59°F | 4 mi/h | 1013 hPa | 77% | 25% | 0% | 0 mm |
| 03:00 | 57°F | 6 mi/h | 1014 hPa | 80% | 27% | 0% | 0 mm |
| 06:00 | 54°F | 6 mi/h | 1015 hPa | 82% | 30% | 0% | 0 mm |
| 09:00 | 59°F | 7 mi/h | 1016 hPa | 73% | 31% | 0% | 0 mm |
| 12:00 | 66°F | 9 mi/h | 1015 hPa | 62% | 31% | 0% | 0 mm |
| 15:00 | 68°F | 9 mi/h | 1013 hPa | 60% | 30% | 0% | 0 mm |
| 18:00 | 66°F | 7 mi/h | 1012 hPa | 64% | 28% | 0% | 0 mm |
| 21:00 | 63°F | 6 mi/h | 1012 hPa | 69% | 27% | 0% | 0 mm |
Sunday, september 29
85°F58°F
7:0819:02
03:5917:57
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 59°F | 5 mi/h | 1012 hPa | 76% | 26% | 0% | 0 mm |
| 03:00 | 64°F | 11 mi/h | 1011 hPa | 50% | 30% | 0% | 0 mm |
| 06:00 | 64°F | 11 mi/h | 1012 hPa | 38% | 11% | 0% | 0 mm |
| 09:00 | 72°F | 9 mi/h | 1013 hPa | 32% | 0% | 0% | 0 mm |
| 12:00 | 81°F | 6 mi/h | 1013 hPa | 25% | 0% | 0% | 0 mm |
| 15:00 | 84°F | 7 mi/h | 1012 hPa | 23% | 1% | 0% | 0 mm |
| 18:00 | 77°F | 9 mi/h | 1012 hPa | 31% | 12% | 0% | 0 mm |
| 21:00 | 66°F | 9 mi/h | 1014 hPa | 41% | 15% | 0% | 0 mm |
Monday, september 30
82°F55°F
7:0919:00
05:0218:15
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 61°F | 7 mi/h | 1015 hPa | 45% | 8% | 0% | 0 mm |
| 03:00 | 57°F | 6 mi/h | 1015 hPa | 45% | 1% | 0% | 0 mm |
| 06:00 | 55°F | 6 mi/h | 1015 hPa | 44% | 0% | 0% | 0 mm |
| 09:00 | 64°F | 6 mi/h | 1015 hPa | 32% | 0% | 0% | 0 mm |
| 12:00 | 75°F | 5 mi/h | 1014 hPa | 19% | 1% | 0% | 0 mm |
| 15:00 | 81°F | 4 mi/h | 1012 hPa | 15% | 52% | 0% | 0 mm |
| 18:00 | 73°F | 4 mi/h | 1011 hPa | 22% | 79% | 0% | 0 mm |
| 21:00 | 64°F | 4 mi/h | 1011 hPa | 31% | 93% | 0% | 0 mm |
Tuesday, october 1
87°F58°F
7:1018:59
06:0318:33
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 63°F | 4 mi/h | 1011 hPa | 36% | 99% | 0% | 0 mm |
| 03:00 | 59°F | 4 mi/h | 1010 hPa | 40% | 99% | 0% | 0 mm |
| 06:00 | 59°F | 4 mi/h | 1010 hPa | 42% | 98% | 0% | 0 mm |
| 09:00 | 66°F | 6 mi/h | 1009 hPa | 34% | 99% | 0% | 0 mm |
| 12:00 | 79°F | 9 mi/h | 1007 hPa | 26% | 34% | 0% | 0 mm |
| 15:00 | 86°F | 10 mi/h | 1005 hPa | 25% | 1% | 0% | 0 mm |
| 18:00 | 79°F | 9 mi/h | 1003 hPa | 39% | 0% | 0% | 0 mm |
| 21:00 | 72°F | 7 mi/h | 1003 hPa | 54% | 1% | 0% | 0 mm |
Wednesday, october 2
83°F63°F
7:1118:57
07:0318:51
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 70°F | 5 mi/h | 1003 hPa | 58% | 6% | 0% | 0 mm |
| 03:00 | 72°F | 14 mi/h | 1003 hPa | 45% | 17% | 0% | 0 mm |
| 06:00 | 68°F | 16 mi/h | 1006 hPa | 43% | 11% | 0% | 0 mm |
| 09:00 | 70°F | 16 mi/h | 1009 hPa | 36% | 5% | 0% | 0 mm |
| 12:00 | 79°F | 15 mi/h | 1010 hPa | 24% | 2% | 0% | 0 mm |
| 15:00 | 82°F | 15 mi/h | 1010 hPa | 19% | 0% | 0% | 0 mm |
| 18:00 | 75°F | 10 mi/h | 1011 hPa | 24% | 0% | 0% | 0 mm |
| 21:00 | 66°F | 6 mi/h | 1013 hPa | 35% | 2% | 0% | 0 mm |
