Lewistown Weather Forecast 15 Days, Weather in Lewistown Today
Current weather conditions and 15 day weather forecast for Lewistown, Illinois, 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 Lewistown
| 10 May 2026 Sunday 16 ° C / 60.8°F  Sunny |
Feels Like : 16 ° C / 60.8°F Humidity : % 33 Pressure : 1021 mb Wind Speed : 12.2 kmph / 7.6 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Lewistown, IL, USA
Weather Forecast for next 15 Days for Lewistown 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 Lewistown, Illinois 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 May 2026 Sunday | Sunny |
8 ° C (46.4°F) |
23 ° C (73.4°F) |
15.5 ° C (59.9°F) |
% 39 | 0% | 7 | Sunrise:05:49 AM Sunset: 08:05 PM |
Moonrise:02:28 AM Moonset: 01:15 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Sunny |
7.3 ° C (45.2°F) |
20.1 ° C (68.2°F) |
14.1 ° C (57.4°F) |
% 58 | 0% | 7.6 | Sunrise:05:48 AM Sunset: 08:06 PM |
Moonrise:02:51 AM Moonset: 02:21 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday |  Patchy rain nearby |
11.6 ° C (52.8°F) |
23.2 ° C (73.8°F) |
17.1 ° C (62.7°F) |
% 71 | 87% | 0.3 | Sunrise:05:47 AM Sunset: 08:07 PM |
Moonrise:03:14 AM Moonset: 03:30 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
10.2 ° C (50.4°F) |
21.5 ° C (70.7°F) |
15.9 ° C (60.6°F) |
% 63 | 0% | 5 | Sunrise:05:46 AM Sunset: 08:08 PM |
Moonrise:03:37 AM Moonset: 04:41 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
8.2 ° C (46.7°F) |
22.1 ° C (71.7°F) |
15.3 ° C (59.5°F) |
% 65 | 0% | 5 | Sunrise:05:45 AM Sunset: 08:09 PM |
Moonrise:04:01 AM Moonset: 05:57 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
16 ° C (60.7°F) |
28.4 ° C (83.1°F) |
20.8 ° C (69.5°F) |
% 68 | 67% | 5 | Sunrise:05:44 AM Sunset: 08:10 PM |
Moonrise:04:30 AM Moonset: 07:17 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
18.4 ° C (65.2°F) |
27.3 ° C (81.1°F) |
22.6 ° C (72.6°F) |
% 75 | 89% | 5 | Sunrise:05:43 AM Sunset: 08:11 PM |
Moonrise:05:06 AM Moonset: 08:38 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
14.3 ° C (57.8°F) |
22.1 ° C (71.8°F) |
18.5 ° C (65.3°F) |
% 66 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:12 PM |
Moonrise:05:52 AM Moonset: 09:57 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Sunny |
11.3 ° C (52.4°F) |
23.2 ° C (73.7°F) |
17.1 ° C (62.8°F) |
% 59 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:13 PM |
Moonrise:06:49 AM Moonset: 11:06 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
13.5 ° C (56.3°F) |
28 ° C (82.4°F) |
20.7 ° C (69.3°F) |
% 70 | 80% | 5 | Sunrise:05:41 AM Sunset: 08:14 PM |
Moonrise:07:58 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday |  Partly Cloudy |
19 ° C (66.2°F) |
27.5 ° C (81.5°F) |
23.5 ° C (74.2°F) |
% 80 | 0% | 6 | Sunrise:05:40 AM Sunset: 08:15 PM |
Moonrise:09:14 AM Moonset: 12:02 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
21.8 ° C (71.3°F) |
30.4 ° C (86.7°F) |
25.8 ° C (78.5°F) |
% 79 | 83% | 6 | Sunrise:05:39 AM Sunset: 08:16 PM |
Moonrise:10:31 AM Moonset: 12:45 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
19.9 ° C (67.8°F) |
27.4 ° C (81.2°F) |
23.1 ° C (73.6°F) |
% 80 | 89% | 5 | Sunrise:05:38 AM Sunset: 08:17 PM |
Moonrise:11:45 AM Moonset: 01:19 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
17.6 ° C (63.6°F) |
28.2 ° C (82.8°F) |
22.7 ° C (72.9°F) |
% 75 | 60% | 5 | Sunrise:05:38 AM Sunset: 08:17 PM |
Moonrise:12:55 PM Moonset: 01:46 AM Moon Phase ( First Quarter ) |
|
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