Fountain Bluff Weather Forecast 15 Days, Weather in Fountain Bluff Today
Current weather conditions and 15 day weather forecast for Fountain Bluff, 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 Fountain Bluff
| 27 March 2026 Friday 25.2 ° C / 77.4°F  Clear |
Feels Like : 25.9 ° C / 78.7°F Humidity : % 42 Pressure : 1009 mb Wind Speed : 26.6 kmph / 16.6 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Fountain Bluff, IL, USA
Weather Forecast for next 15 Days for Fountain Bluff 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 Fountain Bluff, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 March 2026 Thursday | Sunny |
17.2 ° C (63°F) |
31.1 ° C (88°F) |
23.8 ° C (74.8°F) |
% 56 | 0% | 1.8 | Sunrise:06:52 AM Sunset: 07:16 PM |
Moonrise:12:33 PM Moonset: 03:12 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Patchy rain nearby |
4.5 ° C (40.1°F) |
12.8 ° C (55°F) |
10.4 ° C (50.8°F) |
% 68 | 87% | 0.6 | Sunrise:06:50 AM Sunset: 07:16 PM |
Moonrise:01:45 PM Moonset: 03:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Sunny |
-1.7 ° C (28.9°F) |
13.3 ° C (55.9°F) |
6.1 ° C (43°F) |
% 53 | 0% | 1.8 | Sunrise:06:49 AM Sunset: 07:17 PM |
Moonrise:02:56 PM Moonset: 04:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Partly Cloudy |
4.4 ° C (39.9°F) |
19.1 ° C (66.4°F) |
11.8 ° C (53.2°F) |
% 52 | 0% | 1.4 | Sunrise:06:47 AM Sunset: 07:18 PM |
Moonrise:04:04 PM Moonset: 05:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Overcast |
13.3 ° C (56°F) |
25 ° C (77°F) |
18 ° C (64.4°F) |
% 75 | 0% | 1.4 | Sunrise:06:46 AM Sunset: 07:19 PM |
Moonrise:05:10 PM Moonset: 05:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Partly Cloudy |
16.9 ° C (62.5°F) |
26.3 ° C (79.3°F) |
20 ° C (68°F) |
% 77 | 0% | 0 | Sunrise:06:44 AM Sunset: 07:20 PM |
Moonrise:06:14 PM Moonset: 05:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
19.3 ° C (66.7°F) |
24.2 ° C (75.5°F) |
21.1 ° C (70°F) |
% 77 | 86% | 5 | Sunrise:06:43 AM Sunset: 07:21 PM |
Moonrise:07:16 PM Moonset: 06:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Moderate rain |
13.4 ° C (56.1°F) |
21.8 ° C (71.3°F) |
18.5 ° C (65.2°F) |
% 86 | 78% | 4 | Sunrise:06:41 AM Sunset: 07:22 PM |
Moonrise:08:18 PM Moonset: 06:42 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
11.3 ° C (52.4°F) |
21.7 ° C (71.1°F) |
16.5 ° C (61.7°F) |
% 87 | 87% | 4 | Sunrise:06:40 AM Sunset: 07:23 PM |
Moonrise:09:21 PM Moonset: 07:07 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Patchy rain nearby |
10.6 ° C (51°F) |
18.9 ° C (66°F) |
14.4 ° C (58°F) |
% 73 | 82% | 3 | Sunrise:06:38 AM Sunset: 07:24 PM |
Moonrise:10:23 PM Moonset: 07:34 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Sunny |
5.9 ° C (42.6°F) |
15.5 ° C (60°F) |
10.3 ° C (50.6°F) |
% 61 | 0% | 4 | Sunrise:06:37 AM Sunset: 07:25 PM |
Moonrise:11:25 PM Moonset: 08:06 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Partly Cloudy |
6.7 ° C (44°F) |
14.6 ° C (58.2°F) |
9.9 ° C (49.9°F) |
% 64 | 0% | 3 | Sunrise:06:35 AM Sunset: 07:26 PM |
Moonrise:No moonrise Moonset: 08:43 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Patchy rain nearby |
7.6 ° C (45.7°F) |
13 ° C (55.3°F) |
10 ° C (50°F) |
% 84 | 89% | 2 | Sunrise:06:34 AM Sunset: 07:27 PM |
Moonrise:12:24 AM Moonset: 09:28 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Moderate rain |
11 ° C (51.8°F) |
16 ° C (60.8°F) |
13.4 ° C (56.2°F) |
% 93 | 81% | 3 | Sunrise:06:32 AM Sunset: 07:27 PM |
Moonrise:01:18 AM Moonset: 10:19 AM Moon Phase ( Waning Gibbous ) |
|
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