Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 31

First Quarter 57%

16:24

23:55

01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 OK
12 OK
13 Good
14 OK
15 OK
16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 07:10, Set: 20:32, Transit: 13:51. Moon - Rise: 16:24, Set: 23:55. Civil Dark: 21:04 - 06:39. Nautical Dark: 21:42 - 06:00. Astro Dark: 22:24 - 05:19

Total Clouds (% Sky Obscured)

6
11
3
3
3
4
0
0
0
0
21
36
17
43
32
41
30
15
9
4
7
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
0
0
0
0
21
36
17
43
32
41
30
15
9
4
7
0
0
0

Medium Clouds (% Sky Obscured)

2
3
2
2
2
2
0
0
0
0
0
0
0
22
11
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
14
71
77

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
1
1
0
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
6
6
5
5
5
5
4
3
4
5
6
5
5
3
3
4
6
6
7
7
6

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
16
16
17
18
18
19
19
20
20
20
20
20
20
19
18
17
17
17

Feels Like (°C)

16
16
16
16
17
17
17
17
19
20
21
21
21
21
21
21
21
22
22
20
18
17
17
18

Dew Point (°C)

13
13
13
13
13
13
12
12
14
14
15
15
17
18
18
17
17
17
16
15
14
14
14
14

Relative Humidity (%)

82
82
81
82
82
81
80
80
81
78
81
80
88
88
86
84
82
82
78
76
79
78
81
82

Pressure (mb)

1021
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

308
309
310
311
311
311
312
312
310
310
310
311
312
312
313
314
314
313
313
313
313
312
311
311

Monday 1

Waxing Gibbous 67%

17:23

00:46

01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Good
21 Good
22 Good
23 Good
00 OK

Sun - Rise: 07:12, Set: 20:30, Transit: 13:51. Moon - Rise: 17:23, Set: 00:46. Civil Dark: 21:02 - 06:40. Nautical Dark: 21:40 - 06:02. Astro Dark: 22:21 - 05:21

Total Clouds (% Sky Obscured)

0
0
11
8
4
6
11
0
0
0
31
56
62
42
57
72
78
61
21
12
12
3
0
22

Low Clouds (% Sky Obscured)

0
0
11
8
4
6
11
0
0
0
31
56
50
42
57
61
60
53
20
7
5
0
0
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
19
2
2
17
18
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
5
12
12
3
0
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
1
0
0
9
9
9
9
9
9

Fog (%)

98
94
95
88
83
17
39
31
0
0
1
9
28
45
68
83
66
41
16
6
1
0
1
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
19
4
16
31
24
40
30
26
5
1
0
2
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
6
5
5
5
5
5
5
5
4
4
5
5
5
3
3
3
4
4
4
4
5
6

Chance of Frost

Temperature (°C)

17
17
17
17
17
16
16
16
17
18
19
20
20
20
21
20
20
20
19
19
19
18
18
17

Feels Like (°C)

18
18
18
17
18
18
17
18
19
20
21
22
21
21
22
22
22
21
20
21
21
20
19
19

Dew Point (°C)

14
14
14
14
14
13
13
13
14
15
16
17
18
19
20
20
20
19
18
17
16
15
15
14

Relative Humidity (%)

83
83
83
82
82
82
81
82
81
80
80
81
88
92
95
96
95
96
92
88
85
82
82
82

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

311
312
312
312
312
313
312
312
312
313
313
311
310
310
309
309
309
309
310
309
310
310
309
309

Tuesday 2

Waxing Gibbous 76%

18:12

No Set

01 Good
02 Good
03 Good
04 OK
05 OK
06 OK
07 Good
08 Good
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:13, Set: 20:28, Transit: 13:51. Moon - Rise: 18:12, Set: No Set. Civil Dark: 21:00 - 06:42. Nautical Dark: 21:38 - 06:03. Astro Dark: 22:19 - 05:23

Total Clouds (% Sky Obscured)

14
2
2
15
26
17
9
14
29
22
37
92
74
67
62
50
57
96
92
95
97
100
95
100

Low Clouds (% Sky Obscured)

5
0
0
10
18
17
0
0
29
22
37
50
35
38
32
36
38
57
41
40
46
47
67
86

Medium Clouds (% Sky Obscured)

0
0
0
0
9
6
8
14
28
19
25
89
58
27
20
11
21
42
23
30
92
99
69
79

High Clouds (% Sky Obscured)

6
2
2
0
4
1
0
0
0
4
9
92
20
42
56
7
9
77
89
91
95
70
61
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
5
6
5
3
3
1
0
6
14
6
4
14
15
15
23
25
24
32
65
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
1.1
1.4

Wind Speed/Direction (mph)

6
6
6
7
7
8
9
9
9
10
12
13
14
14
13
12
12
10
10
7
5
5
11
12

Chance of Frost

Temperature (°C)

17
17
17
17
17
16
17
17
17
18
18
19
19
19
19
20
19
19
19
18
17
17
17
14

Feels Like (°C)

18
18
18
18
17
16
16
17
17
17
17
17
15
16
16
17
18
18
17
17
17
17
14
11

Dew Point (°C)

14
14
13
13
13
13
14
14
14
14
15
15
15
14
14
15
14
13
12
13
12
13
14
14

Relative Humidity (%)

82
81
78
77
78
82
83
85
82
78
78
75
73
72
72
71
70
68
66
70
73
74
82
98

Pressure (mb)

1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015
1014
1013
1012
1012
1011
1011
1010
1009
1009
1009
1009

Ozone (du)

309
310
311
311
312
311
311
311
310
310
308
307
306
305
305
305
305
305
304
303
301
301
301
302

Wednesday 3

Waxing Gibbous 85%

18:50

01:49

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:14, Set: 20:26, Transit: 13:50. Moon - Rise: 18:50, Set: 01:49. Civil Dark: 20:58 - 06:43. Nautical Dark: 21:36 - 06:05. Astro Dark: 22:16 - 05:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
95
95
96
98
99
99

Medium Clouds (% Sky Obscured)

72
73
70
70
76
85
93
85
79
73
76
78
73
51
41
45
40
35
35
35
35
35
30
30

High Clouds (% Sky Obscured)

100
100
100
100
96
93
90
93
95
98
75
49
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
6
3
6
6
2
4
5
5
9
9
9
9
9
9
8
7
7
8
8
4
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
None
Very Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
90
58
73
79
69
94
95
81
83
65
57
66
55
57
63
57
60
63
64
71
84
83
83

Precipitation Amount (mm)

1
0.6
0
0.3
0.4
0
0.6
0.6
0.4
0.5
0.3
0.3
0.5
0.2
0.3
0.4
0.2
0.3
0.4
0.3
0.4
0.7
0.6
0.6

Wind Speed/Direction (mph)

14
17
18
17
17
19
21
23
24
24
24
24
25
25
25
25
25
25
26
26
25
24
23
22

Chance of Frost

Temperature (°C)

14
13
12
12
12
12
11
11
10
10
9
9
8
8
8
8
8
8
8
8
8
8
7
8

Feels Like (°C)

10
10
8
8
8
7
6
4
3
2
1
1
0
-1
-1
-0
-1
-1
-1
-1
-1
-1
-0
-0

Dew Point (°C)

13
13
11
11
11
11
10
9
8
8
7
7
7
6
6
5
5
5
4
5
4
4
4
5

Relative Humidity (%)

93
96
93
93
93
92
88
90
88
85
87
87
88
90
88
82
81
79
78
79
78
77
81
85

Pressure (mb)

1009
1009
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008

Ozone (du)

303
304
304
304
306
309
311
309
314
316
318
323
327
329
332
336
339
340
340
341
343
345
346
347

Thursday 4

Waxing Gibbous 92%

19:20

03:01

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:16, Set: 20:24, Transit: 13:50. Moon - Rise: 19:20, Set: 03:01. Civil Dark: 20:56 - 06:44. Nautical Dark: 21:34 - 06:07. Astro Dark: 22:14 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97

Low Clouds (% Sky Obscured)

100
99
99
98
99
99
100
99
98
97
98
99
100
99
99
98
98
98
98
98
97
97
95
95

Medium Clouds (% Sky Obscured)

35
35
30
30
30
28
29
62
93
80
83
98
77
76
83
91
94
97
100
100
100
99
96
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
12
24
40
45
50
55
37
7
0
30
66
100
67
34
1
1
0

ISS Passover

Visibility (miles)

4
4
5
5
5
5
0
0
1
6
5
1
1
1
1
1
1
2
3
3
4
4
5
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

89
87
87
89
92
95
95
92
89
89
88
89
90
80
85
89
88
88
88
90
92
94
87
78

Precipitation Amount (mm)

0.7
0.6
0.5
0.6
0.6
0.7
0.8
0.7
0.7
0.7
0.6
0.6
0.6
0.4
0.5
0.6
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.5

Wind Speed/Direction (mph)

22
22
21
22
21
20
21
20
20
19
17
18
19
19
19
18
19
20
21
22
23
23
23
19

Chance of Frost

Temperature (°C)

7
7
7
7
7
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8

Feels Like (°C)

-0
-0
-1
-0
0
-1
-1
-1
-1
0
1
1
0
0
1
1
1
1
1
1
1
0
-1
-1

Dew Point (°C)

5
5
5
5
5
5
6
6
6
5
4
4
5
4
4
4
4
4
5
5
5
5
5
5

Relative Humidity (%)

88
88
85
88
91
93
94
96
96
87
81
84
87
85
84
82
82
82
84
84
85
85
85
84

Pressure (mb)

1007
1007
1006
1006
1006
1005
1005
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002

Ozone (du)

349
351
353
354
355
356
356
355
355
355
354
354
354
353
353
353
352
349
345
342
341
341
340
341

Friday 5

Waxing Gibbous 97%

19:44

04:19

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:17, Set: 20:22, Transit: 13:50. Moon - Rise: 19:44, Set: 04:19. Civil Dark: 20:54 - 06:46. Nautical Dark: 21:31 - 06:08. Astro Dark: 22:11 - 05:28

Total Clouds (% Sky Obscured)

96
96
97
98
99
99
100
98
97
95
94
92
92
94
97
100
99
98
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

96
91
87
85
90
96
100
92
84
77
80
79
77
85
92
100
99
98
97
98
99
100
100
100

Medium Clouds (% Sky Obscured)

89
86
80
73
66
72
78
82
81
81
75
69
63
59
59
62
67
74
80
77
75
75
74
71

High Clouds (% Sky Obscured)

0
10
25
45
36
24
11
12
12
0
18
47
85
81
70
56
57
58
58
66
80
100
67
34

ISS Passover

Visibility (miles)

8
9
8
6
5
5
6
6
7
7
8
8
9
9
9
8
8
8
8
8
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

64
63
60
53
51
49
50
45
42
38
45
46
45
41
41
43
47
48
46
44
41
35
37
37

Precipitation Amount (mm)

0.3
0.3
0.3
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
15
15
15
15
15
17
18
14
12
13
13
16
19
19
18
18
18
20
22
23
23
22
22

Chance of Frost

Temperature (°C)

8
8
8
8
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Feels Like (°C)

0
-0
2
2
4
4
4
4
4
3
3
3
3
3
4
3
2
2
2
3
2
1
1
1

Dew Point (°C)

5
5
5
4
4
4
4
4
5
5
6
5
5
4
5
5
5
5
4
5
5
4
4
4

Relative Humidity (%)

82
81
78
75
73
72
72
70
74
77
81
77
73
70
72
73
75
75
74
74
74
73
73
74

Pressure (mb)

1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1003
1003
1003
1003
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005

Ozone (du)

341
342
342
342
342
345
348
351
351
350
350
348
345
343
343
342
342
340
339
338
339
340
342
340

Saturday 6

Waxing Gibbous 98%

20:04

05:39

Sun - Rise: 07:18, Set: 20:20, Transit: 13:49. Moon - Rise: 20:04, Set: 05:39. Civil Dark: 20:51 - 06:47. Nautical Dark: 21:29 - 06:10. Astro Dark: 22:09 - 05:30

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Mandan, Keweenaw, United States of America (47.46,-87.97)

Generated: 31/08/25 00:16:41. Forecast: 31/08/25 to 06/09/25. Timezone: UTC-4.00