Current weather conditions and 15 day weather forecast for Boise City, 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.
| 17 August 2026 Monday 31.7 ° C / 89.1°F ![]() Overcast |
Feels Like : 29.9 ° C / 85.8°F Humidity : % 24 Pressure : 1014 mb Wind Speed : 8.3 kmph / 5.1 miles from WSW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 August 2026 Monday | Overcast |
19.5 ° C (67.1°F) |
35.5 ° C (95.9°F) |
27.7 ° C (81.8°F) |
% 29 | 9% | 5.5 | Sunrise:06:51 AM Sunset: 08:45 PM |
Moonrise:12:48 PM Moonset: 10:52 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
20.3 ° C (68.6°F) |
35.8 ° C (96.4°F) |
28 ° C (82.3°F) |
% 18 | 2% | 7.8 | Sunrise:06:53 AM Sunset: 08:44 PM |
Moonrise:02:01 PM Moonset: 11:20 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
19.2 ° C (66.6°F) |
36.6 ° C (97.8°F) |
27.7 ° C (81.9°F) |
% 16 | 1% | 8.1 | Sunrise:06:54 AM Sunset: 08:42 PM |
Moonrise:03:12 PM Moonset: 11:55 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
21.3 ° C (70.4°F) |
38.2 ° C (100.7°F) |
29.8 ° C (85.6°F) |
% 14 | 3% | 8.4 | Sunrise:06:55 AM Sunset: 08:41 PM |
Moonrise:04:18 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Overcast |
24.6 ° C (76.2°F) |
40.5 ° C (104.8°F) |
32.5 ° C (90.4°F) |
% 14 | 5% | 10 | Sunrise:06:56 AM Sunset: 08:39 PM |
Moonrise:05:16 PM Moonset: 12:37 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Overcast |
26.3 ° C (79.4°F) |
37.4 ° C (99.3°F) |
31.8 ° C (89.2°F) |
% 16 | 7% | 8 | Sunrise:06:57 AM Sunset: 08:37 PM |
Moonrise:06:05 PM Moonset: 01:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
19.4 ° C (66.9°F) |
34.6 ° C (94.2°F) |
27.2 ° C (81°F) |
% 22 | 2% | 8 | Sunrise:06:58 AM Sunset: 08:36 PM |
Moonrise:06:45 PM Moonset: 02:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
21.9 ° C (71.5°F) |
36.2 ° C (97.1°F) |
29 ° C (84.2°F) |
% 15 | 2% | 9 | Sunrise:06:59 AM Sunset: 08:34 PM |
Moonrise:07:17 PM Moonset: 03:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Sunny |
26.4 ° C (79.4°F) |
37 ° C (98.5°F) |
30.8 ° C (87.5°F) |
% 20 | 17% | 9 | Sunrise:07:00 AM Sunset: 08:32 PM |
Moonrise:07:43 PM Moonset: 04:31 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Overcast |
24.9 ° C (76.8°F) |
36.1 ° C (97°F) |
30 ° C (86.1°F) |
% 17 | 4% | 8 | Sunrise:07:01 AM Sunset: 08:31 PM |
Moonrise:08:05 PM Moonset: 05:36 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Sunny |
22 ° C (71.6°F) |
34.8 ° C (94.7°F) |
28.4 ° C (83.1°F) |
% 15 | 2% | 8 | Sunrise:07:03 AM Sunset: 08:29 PM |
Moonrise:08:24 PM Moonset: 06:41 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Overcast |
23.3 ° C (73.9°F) |
35.5 ° C (95.9°F) |
28.6 ° C (83.4°F) |
% 12 | 5% | 8 | Sunrise:07:04 AM Sunset: 08:27 PM |
Moonrise:08:42 PM Moonset: 07:44 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Sunny |
21.2 ° C (70.1°F) |
35.1 ° C (95.2°F) |
27.9 ° C (82.3°F) |
% 12 | 1% | 9 | Sunrise:07:05 AM Sunset: 08:26 PM |
Moonrise:08:59 PM Moonset: 08:48 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday | Sunny |
21.5 ° C (70.6°F) |
36.6 ° C (97.8°F) |
28.8 ° C (83.9°F) |
% 18 | 0% | 9 | Sunrise:07:06 AM Sunset: 08:24 PM |
Moonrise:09:17 PM Moonset: 09:52 AM Moon Phase ( Waning Gibbous ) |
|