Grafton Weather Forecast 15 Days, Weather in Grafton Today
Current weather conditions and 15 day weather forecast for Grafton, Iowa, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Grafton
| 08 May 2026 Friday 8.9 ° C / 48°F  Clear |
Feels Like : 7.1 ° C / 44.8°F Humidity : % 37 Pressure : 1010 mb Wind Speed : 11.2 kmph / 6.9 miles from ESE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Grafton, IA, USA
Weather Forecast for next 15 Days for Grafton including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Grafton, Iowa state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 07 May 2026 Thursday | Sunny |
1.1 ° C (34°F) |
18.5 ° C (65.3°F) |
9.5 ° C (49.1°F) |
% 42 | 0% | 5.7 | Sunrise:05:58 AM Sunset: 08:22 PM |
Moonrise:01:22 AM Moonset: 10:01 AM Moon Phase ( Waning Gibbous ) |
|
| 08 May 2026 Friday | Sunny |
2.7 ° C (36.9°F) |
21.2 ° C (70.2°F) |
12.6 ° C (54.7°F) |
% 38 | 0% | 6.4 | Sunrise:05:56 AM Sunset: 08:23 PM |
Moonrise:01:55 AM Moonset: 11:07 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday |  Partly Cloudy |
8.8 ° C (47.8°F) |
16.4 ° C (61.5°F) |
12.4 ° C (54.3°F) |
% 57 | 0% | 6.3 | Sunrise:05:55 AM Sunset: 08:24 PM |
Moonrise:02:22 AM Moonset: 12:14 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday | Sunny |
4.7 ° C (40.4°F) |
15.8 ° C (60.4°F) |
10.2 ° C (50.4°F) |
% 50 | 0% | 7 | Sunrise:05:54 AM Sunset: 08:25 PM |
Moonrise:02:46 AM Moonset: 01:23 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday |  Patchy rain nearby |
5.1 ° C (41.3°F) |
19.5 ° C (67°F) |
12.5 ° C (54.4°F) |
% 52 | 84% | 7.4 | Sunrise:05:53 AM Sunset: 08:26 PM |
Moonrise:03:07 AM Moonset: 02:32 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday |  Moderate rain |
11.7 ° C (53°F) |
22.7 ° C (72.9°F) |
15.2 ° C (59.3°F) |
% 73 | 79% | 0.1 | Sunrise:05:52 AM Sunset: 08:27 PM |
Moonrise:03:27 AM Moonset: 03:43 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Partly Cloudy |
7.3 ° C (45.2°F) |
17.7 ° C (63.8°F) |
12.1 ° C (53.8°F) |
% 63 | 0% | 4 | Sunrise:05:51 AM Sunset: 08:28 PM |
Moonrise:03:48 AM Moonset: 04:58 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Partly Cloudy |
8.1 ° C (46.6°F) |
19.7 ° C (67.5°F) |
14.5 ° C (58.1°F) |
% 67 | 0% | 4 | Sunrise:05:50 AM Sunset: 08:30 PM |
Moonrise:04:10 AM Moonset: 06:16 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
12.2 ° C (53.9°F) |
21.5 ° C (70.6°F) |
16.7 ° C (62.1°F) |
% 66 | 84% | 4 | Sunrise:05:49 AM Sunset: 08:31 PM |
Moonrise:04:36 AM Moonset: 07:39 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
7.5 ° C (45.5°F) |
20 ° C (68.1°F) |
13.5 ° C (56.3°F) |
% 62 | 0% | 4 | Sunrise:05:48 AM Sunset: 08:32 PM |
Moonrise:05:09 AM Moonset: 09:03 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
10.6 ° C (51°F) |
23.9 ° C (75°F) |
17.2 ° C (63°F) |
% 63 | 0% | 5 | Sunrise:05:47 AM Sunset: 08:33 PM |
Moonrise:05:52 AM Moonset: 10:23 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Moderate rain |
15.9 ° C (60.7°F) |
23 ° C (73.4°F) |
18.8 ° C (65.8°F) |
% 81 | 89% | 4 | Sunrise:05:46 AM Sunset: 08:34 PM |
Moonrise:06:48 AM Moonset: 11:33 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
17.2 ° C (63°F) |
24.4 ° C (75.8°F) |
20.1 ° C (68.1°F) |
% 90 | 89% | 5 | Sunrise:05:45 AM Sunset: 08:35 PM |
Moonrise:07:58 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
13.3 ° C (55.9°F) |
24.3 ° C (75.7°F) |
18.4 ° C (65.1°F) |
% 57 | 0% | 5 | Sunrise:05:44 AM Sunset: 08:36 PM |
Moonrise:09:16 AM Moonset: 12:26 AM Moon Phase ( Waxing Crescent ) |
|
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