Castalia Weather Forecast 15 Days, Weather in Castalia Today
Current weather conditions and 15 day weather forecast for Castalia, 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 Castalia
| 12 February 2026 Thursday 1.4 ° C / 34.5°F  Partly cloudy |
Feels Like : -1.2 ° C / 29.9°F Humidity : % 93 Pressure : 1023 mb Wind Speed : 8.3 kmph / 5.1 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Castalia, IA, USA
Weather Forecast for next 15 Days for Castalia 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 Castalia, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 February 2026 Thursday |  Sunny |
-2.6 ° C (27.3°F) |
10.5 ° C (50.9°F) |
1.9 ° C (35.5°F) |
% 80 | 0% | 0.3 | Sunrise:07:08 AM Sunset: 05:34 PM |
Moonrise:04:17 AM Moonset: 12:30 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Partly Cloudy |
-3.4 ° C (25.9°F) |
10.8 ° C (51.4°F) |
2.2 ° C (36°F) |
% 84 | 0% | 0.4 | Sunrise:07:07 AM Sunset: 05:35 PM |
Moonrise:05:07 AM Moonset: 01:29 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday |  Overcast |
-1.1 ° C (30°F) |
8.1 ° C (46.6°F) |
2.7 ° C (36.9°F) |
% 92 | 0% | 0.4 | Sunrise:07:05 AM Sunset: 05:37 PM |
Moonrise:05:48 AM Moonset: 02:34 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Sunny |
1 ° C (33.8°F) |
9.7 ° C (49.5°F) |
4.9 ° C (40.8°F) |
% 67 | 0% | 0.5 | Sunrise:07:04 AM Sunset: 05:38 PM |
Moonrise:06:21 AM Moonset: 03:44 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Partly Cloudy |
1.7 ° C (35°F) |
11.1 ° C (51.9°F) |
4.4 ° C (39.8°F) |
% 67 | 0% | 0 | Sunrise:07:02 AM Sunset: 05:39 PM |
Moonrise:06:48 AM Moonset: 04:55 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday |  Patchy rain nearby |
4.9 ° C (40.8°F) |
13.3 ° C (55.9°F) |
9 ° C (48.1°F) |
% 80 | 73% | 2 | Sunrise:07:01 AM Sunset: 05:40 PM |
Moonrise:07:12 AM Moonset: 06:06 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
4.2 ° C (39.6°F) |
11.8 ° C (53.2°F) |
10 ° C (49.9°F) |
% 65 | 0% | 2 | Sunrise:06:59 AM Sunset: 05:42 PM |
Moonrise:07:34 AM Moonset: 07:18 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Patchy rain nearby |
1.1 ° C (34°F) |
13.3 ° C (55.9°F) |
6.6 ° C (43.8°F) |
% 84 | 88% | 2 | Sunrise:06:58 AM Sunset: 05:43 PM |
Moonrise:07:54 AM Moonset: 08:30 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday |  Blowing snow |
-5.7 ° C (21.8°F) |
0.4 ° C (32.7°F) |
-0.1 ° C (31.8°F) |
% 65 | 0% | 1 | Sunrise:06:56 AM Sunset: 05:44 PM |
Moonrise:08:14 AM Moonset: 09:44 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Partly Cloudy |
-8 ° C (17.7°F) |
-2.1 ° C (28.3°F) |
-5.7 ° C (21.7°F) |
% 59 | 0% | 2 | Sunrise:06:55 AM Sunset: 05:46 PM |
Moonrise:08:37 AM Moonset: 11:00 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday |  Light freezing rain |
-8.2 ° C (17.3°F) |
-0.7 ° C (30.8°F) |
-4.6 ° C (23.7°F) |
% 57 | 81% | 1 | Sunrise:06:53 AM Sunset: 05:47 PM |
Moonrise:09:03 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 February 2026 Monday |  Moderate or heavy snow showers |
-4.5 ° C (23.8°F) |
1.7 ° C (35.1°F) |
-1.6 ° C (29.1°F) |
% 83 | 73% | 1 | Sunrise:06:52 AM Sunset: 05:48 PM |
Moonrise:09:36 AM Moonset: 12:18 AM Moon Phase ( Waxing Crescent ) |
|
| 24 February 2026 Tuesday |  Blizzard |
-6.5 ° C (20.3°F) |
-3.9 ° C (25.1°F) |
-4.8 ° C (23.3°F) |
% 94 | 76% | 1 | Sunrise:06:50 AM Sunset: 05:49 PM |
Moonrise:10:17 AM Moonset: 01:36 AM Moon Phase ( First Quarter ) |
|
| 25 February 2026 Wednesday | Partly Cloudy |
-15.1 ° C (4.9°F) |
-3.6 ° C (25.4°F) |
-9.3 ° C (15.2°F) |
% 92 | 0% | 2 | Sunrise:06:48 AM Sunset: 05:51 PM |
Moonrise:11:11 AM Moonset: 02:49 AM Moon Phase ( Waxing Gibbous ) |
|
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