Fairfield Weather Forecast 15 Days, Weather in Fairfield Today
Current weather conditions and 15 day weather forecast for Fairfield, Idaho, 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 Fairfield
| 27 March 2026 Friday 7.1 ° C / 44.9°F  Sunny |
Feels Like : 4.9 ° C / 40.8°F Humidity : % 32 Pressure : 1024 mb Wind Speed : 11.2 kmph / 6.9 miles from NW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Fairfield, ID, USA
Weather Forecast for next 15 Days for Fairfield 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 Fairfield, Idaho 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 |
-2.4 ° C (27.7°F) |
8.1 ° C (46.6°F) |
3.3 ° C (38°F) |
% 58 | 0% | 1.7 | Sunrise:07:31 AM Sunset: 07:59 PM |
Moonrise:12:57 PM Moonset: 04:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Partly Cloudy |
0.6 ° C (33.1°F) |
9.8 ° C (49.6°F) |
4.5 ° C (40.2°F) |
% 41 | 0% | 1.5 | Sunrise:07:30 AM Sunset: 08:00 PM |
Moonrise:02:13 PM Moonset: 05:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Partly Cloudy |
4.1 ° C (39.4°F) |
14.6 ° C (58.3°F) |
8.7 ° C (47.7°F) |
% 35 | 0% | 1.5 | Sunrise:07:28 AM Sunset: 08:01 PM |
Moonrise:03:29 PM Moonset: 05:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday | Sunny |
5.4 ° C (41.7°F) |
13.1 ° C (55.6°F) |
9.3 ° C (48.7°F) |
% 42 | 0% | 1.5 | Sunrise:07:26 AM Sunset: 08:02 PM |
Moonrise:04:42 PM Moonset: 05:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Sunny |
6.2 ° C (43.2°F) |
12.2 ° C (54°F) |
9.2 ° C (48.5°F) |
% 41 | 0% | 1.2 | Sunrise:07:24 AM Sunset: 08:04 PM |
Moonrise:05:52 PM Moonset: 06:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Patchy rain nearby |
0.4 ° C (32.7°F) |
1.3 ° C (34.4°F) |
2.8 ° C (37°F) |
% 82 | 80% | 0 | Sunrise:07:23 AM Sunset: 08:05 PM |
Moonrise:07:00 PM Moonset: 06:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Moderate or heavy snow in area with thunder |
-0.2 ° C (31.6°F) |
2.4 ° C (36.3°F) |
0.6 ° C (33.1°F) |
% 92 | 72% | 1 | Sunrise:07:21 AM Sunset: 08:06 PM |
Moonrise:08:07 PM Moonset: 06:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Moderate or heavy snow showers |
-7.4 ° C (18.6°F) |
-3 ° C (26.7°F) |
-4.6 ° C (23.7°F) |
% 87 | 86% | 1 | Sunrise:07:19 AM Sunset: 08:07 PM |
Moonrise:09:14 PM Moonset: 07:18 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Sunny |
-10 ° C (14°F) |
-2.5 ° C (27.5°F) |
-6.2 ° C (20.8°F) |
% 78 | 0% | 2 | Sunrise:07:17 AM Sunset: 08:08 PM |
Moonrise:10:21 PM Moonset: 07:38 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Sunny |
-5.2 ° C (22.7°F) |
3.9 ° C (39°F) |
-0.7 ° C (30.8°F) |
% 71 | 0% | 2 | Sunrise:07:15 AM Sunset: 08:09 PM |
Moonrise:11:28 PM Moonset: 08:02 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Patchy rain nearby |
1.3 ° C (34.3°F) |
7.3 ° C (45.2°F) |
3 ° C (37.4°F) |
% 65 | 84% | 1 | Sunrise:07:14 AM Sunset: 08:11 PM |
Moonrise:No moonrise Moonset: 08:30 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday |  Light freezing rain |
-7.1 ° C (19.3°F) |
-2.4 ° C (27.7°F) |
-4.1 ° C (24.7°F) |
% 61 | 71% | 1 | Sunrise:07:12 AM Sunset: 08:12 PM |
Moonrise:12:33 AM Moonset: 09:05 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Sunny |
-6 ° C (21.1°F) |
2.5 ° C (36.4°F) |
-2.2 ° C (28.1°F) |
% 56 | 0% | 2 | Sunrise:07:10 AM Sunset: 08:13 PM |
Moonrise:01:34 AM Moonset: 09:48 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Sunny |
-1.8 ° C (28.7°F) |
6.5 ° C (43.7°F) |
1.7 ° C (35.1°F) |
% 53 | 0% | 2 | Sunrise:07:08 AM Sunset: 08:14 PM |
Moonrise:02:28 AM Moonset: 10:39 AM Moon Phase ( Waning Gibbous ) |
|
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