Current weather conditions and 15 day weather forecast for Simpson Airport, 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.
| 21 September 2026 Monday 9 ° C / 48.2°F ![]() Clear |
Feels Like : 8.6 ° C / 47.5°F Humidity : % 66 Pressure : 1020 mb Wind Speed : 5 kmph / 3.1 miles from E ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 1 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 September 2026 Sunday | Sunny |
4.3 ° C (39.7°F) |
16.2 ° C (61.2°F) |
9.6 ° C (49.3°F) |
% 66 | 7% | 5.9 | Sunrise:07:12 AM Sunset: 07:28 PM |
Moonrise:04:57 PM Moonset: 01:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
5.4 ° C (41.7°F) |
19.9 ° C (67.8°F) |
12.1 ° C (53.9°F) |
% 52 | 3% | 6.2 | Sunrise:07:13 AM Sunset: 07:26 PM |
Moonrise:05:25 PM Moonset: 02:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Overcast |
8.6 ° C (47.5°F) |
19.8 ° C (67.6°F) |
13.5 ° C (56.2°F) |
% 45 | 57% | 4.2 | Sunrise:07:14 AM Sunset: 07:24 PM |
Moonrise:05:49 PM Moonset: 03:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
7.5 ° C (45.6°F) |
20.7 ° C (69.3°F) |
13.7 ° C (56.6°F) |
% 51 | 2% | 6 | Sunrise:07:15 AM Sunset: 07:23 PM |
Moonrise:06:10 PM Moonset: 04:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
8.8 ° C (47.8°F) |
23.7 ° C (74.6°F) |
15.4 ° C (59.7°F) |
% 37 | 1% | 5.8 | Sunrise:07:16 AM Sunset: 07:21 PM |
Moonrise:06:29 PM Moonset: 05:17 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
10.8 ° C (51.4°F) |
23 ° C (73.3°F) |
15.9 ° C (60.5°F) |
% 40 | 3% | 6 | Sunrise:07:17 AM Sunset: 07:19 PM |
Moonrise:06:48 PM Moonset: 06:20 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Sunny |
9 ° C (48.1°F) |
23.6 ° C (74.6°F) |
15.8 ° C (60.4°F) |
% 33 | 3% | 6 | Sunrise:07:18 AM Sunset: 07:17 PM |
Moonrise:07:07 PM Moonset: 07:23 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
12.3 ° C (54.2°F) |
22.9 ° C (73.3°F) |
16.9 ° C (62.5°F) |
% 31 | 5% | 6 | Sunrise:07:19 AM Sunset: 07:16 PM |
Moonrise:07:27 PM Moonset: 08:28 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
10.1 ° C (50.2°F) |
20.2 ° C (68.3°F) |
14.6 ° C (58.3°F) |
% 26 | 1% | 6 | Sunrise:07:20 AM Sunset: 07:14 PM |
Moonrise:07:51 PM Moonset: 09:36 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Sunny |
7.7 ° C (45.9°F) |
22.3 ° C (72.2°F) |
14.3 ° C (57.8°F) |
% 25 | 1% | 6 | Sunrise:07:22 AM Sunset: 07:12 PM |
Moonrise:08:20 PM Moonset: 10:46 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
8.4 ° C (47°F) |
23.5 ° C (74.2°F) |
15.3 ° C (59.5°F) |
% 23 | 0% | 6 | Sunrise:07:23 AM Sunset: 07:10 PM |
Moonrise:08:57 PM Moonset: 11:58 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
9.9 ° C (49.8°F) |
26.7 ° C (80°F) |
17.7 ° C (63.8°F) |
% 23 | 4% | 6 | Sunrise:07:24 AM Sunset: 07:08 PM |
Moonrise:09:44 PM Moonset: 01:08 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Light rain shower |
8.2 ° C (46.8°F) |
16.8 ° C (62.3°F) |
12.3 ° C (54.2°F) |
% 67 | 72% | 5 | Sunrise:07:25 AM Sunset: 07:07 PM |
Moonrise:10:42 PM Moonset: 02:13 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
6.5 ° C (43.6°F) |
16 ° C (60.8°F) |
10.3 ° C (50.6°F) |
% 59 | 17% | 5 | Sunrise:07:26 AM Sunset: 07:05 PM |
Moonrise:11:52 PM Moonset: 03:09 PM Moon Phase ( Last Quarter ) |
|