 |
 Lewistown Weather Forecast Summary |
|
|
| |
Today
Jun 15th
|
Tuesday
Jun 16th
|
Wednesday
Jun 17th
|
Thursday
Jun 18th
|
Friday
Jun 19th
|
 |
|
|
|
|
Mostly Sunny |
Mostly Sunny |
Mostly Sunny |
Mostly Sunny |
Mostly Sunny |
70°F
|
78°F
59°F |
63°F
49°F |
69°F
43°F |
74°F
48°F |
|
| |
|
| Lewistown Detailed Weather Forecast |
|
|
| |
| Monday, June 15th, 2026 |
|
Afternoon |
Temperature: 69°F |
| Mostly sunny. Windy at times. |
|
|
|
 |
Evening |
Temperature: 64°F |
| Mostly clear. |
|
|
|
| Tuesday, June 16th, 2026 |
 |
Overnight |
Temperature: 59°F |
| A mix of clear and cloudy skies. Windy at times. |
|
|
|
|
Morning |
Temperature: 65°F |
| Mostly sunny. Windy. |
|
|
|
 |
Afternoon |
Temperature: 78°F |
| Sunny. Wind 25 to 40 mph. |
|
|
|
|
Evening |
Temperature: 71°F |
| Mostly clear. Wind 20 to 30 mph. |
|
|
|
| Wednesday, June 17th, 2026 |
 |
Overnight |
Temperature: 52°F |
| A mix of cloudy and clear skies. Windy. |
|
|
|
|
Morning |
Temperature: 51°F |
| Sunny. Wind 20 to 30 mph. |
|
|
|
 |
Afternoon |
Temperature: 61°F |
| A mix of sun and cloud. Wind 20 to 30 mph. |
|
|
|
|
Evening |
Temperature: 56°F |
| Clear with cloudy periods. Wind 20 to 30 mph. |
|
|
|
| Thursday, June 18th, 2026 |
|
Overnight |
Temperature: 44°F |
| Mostly clear. |
|
|
|
|
Morning |
Temperature: 50°F |
| Mostly sunny. |
|
|
|
|
Afternoon |
Temperature: 66°F |
| Mostly sunny. |
|
|
|
|
Evening |
Temperature: 63°F |
| Mostly clear. |
|
|
|
| Friday, June 19th, 2026 |
 |
Overnight |
Temperature: 50°F |
| Clear. |
|
|
|
|
Morning |
Temperature: 54°F |
| Sunny. |
|
|
|
|
Afternoon |
Temperature: 71°F |
| A mix of sun and cloud. Windy at times. |
|
|
|
|
Evening |
Temperature: 68°F |
| Clear with cloudy periods. |
|
|
|
| Saturday, June 20th, 2026 |
|
Overnight |
Temperature: 54°F |
| Mostly clear. |
|
|
|
 |
Morning |
Temperature: 57°F |
| A mix of cloud and sun with a slight chance of showers. |
|
|
|
 |
Afternoon |
Temperature: 64°F |
| Mostly cloudy with a chance of showers. Windy at times. |
|
|
|
|
Evening |
Temperature: 62°F |
| A mix of clear and cloudy skies with a slight chance of showers. Windy. |
|
|
|
| Sunday, June 21st, 2026 |
|
Overnight |
Temperature: 55°F |
| Clear with cloudy periods. Windy at times. |
|
|
|
|
Morning |
Temperature: 58°F |
| A mix of cloud and sun. |
|
|
|
|
Afternoon |
Temperature: 65°F |
| Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times. |
|
|
|
|
Evening |
Temperature: 62°F |
| A mix of clear and cloudy skies with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
|
|
|
| Monday, June 22nd, 2026 |
|
Overnight |
Temperature: 50°F |
| Clear with cloudy periods with a chance of showers. Windy at times. |
|
|
|
|
Morning |
Temperature: 53°F |
| Sunny. Windy at times. |
|
|
|
|
Afternoon |
Temperature: 69°F |
| Sunny. |
|
|
|
|
Evening |
Temperature: 64°F |
| Mostly clear. Windy at times. |
|
|
|
| Tuesday, June 23rd, 2026 |
|
Overnight |
Temperature: 51°F |
| Mostly clear. |
|
|
|
|
Morning |
Temperature: 55°F |
| Mostly sunny. |
|
|
|
|
Afternoon |
Temperature: 72°F |
| Mostly sunny. Chance of a thunderstorm. Windy at times. |
|
|
|
 |
Evening |
Temperature: 67°F |
| Mostly cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times. |
|
|
|
