Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

New Moon 1%

09:38

17:12

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 08:36, Set: 17:03, Transit: 12:50. Moon - Rise: 09:38, Set: 17:12. Civil Dark: 17:39 - 08:00. Nautical Dark: 18:18 - 07:21. Astro Dark: 18:55 - 06:44

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)

71
82
70
95
93
89
94
97
88
76
89
89
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
45
0
0
0
3
0
29
26
19

High Clouds (% Sky Obscured)

50
0
40
100
100
100
100
60
55
100
100
100
100
100
100
50
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
2
1
1
1
1
0
0
2
1
3
4
0
1
0
5
4
2
1
1
1
1

Fog (%)

5
8
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
8
63
68
67
55
64
81
71
49
56
44
49
53
53
43
41
44
48
49
48
46
44

Precipitation Amount (mm)

0
0
0
0.4
0.4
0.3
0.2
0.3
0.4
0.3
0.1
0.1
0
0.2
0.3
0.2
0.1
0.1
0.2
0.2
0.2
0.2
0.2
0.1

Wind Speed/Direction (mph)

9
12
15
18
20
22
22
20
18
18
18
17
15
14
14
19
26
30
30
29
29
30
29
29

Chance of Frost

Temperature (°C)

-8
-7
-6
-6
-6
-6
-5
-5
-5
-4
-4
-4
-4
-4
-4
-3
-2
-4
-7
-8
-9
-10
-10
-10

Feels Like (°C)

-13
-13
-13
-15
-14
-15
-15
-14
-12
-12
-13
-12
-11
-10
-10
-11
-14
-17
-19
-21
-22
-23
-23
-22

Dew Point (°C)

-12
-11
-10
-9
-8
-8
-8
-7
-6
-6
-6
-6
-6
-6
-5
-5
-3
-8
-10
-11
-12
-12
-12
-12

Relative Humidity (%)

71
74
71
76
82
84
84
84
89
89
85
85
84
85
94
86
91
73
79
78
78
81
81
81

Pressure (mb)

1011
1010
1010
1008
1008
1006
1005
1003
1002
1001
999
999
998
998
997
997
996
997
998
999
1000
1002
1004
1005

Ozone (du)

361
366
364
360
360
361
362
366
368
365
366
365
365
368
372
377
380
382
385
386
386
388
393
393

Saturday 20

Waxing Crescent 3%

10:19

18:18

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 08:37, Set: 17:04, Transit: 12:50. Moon - Rise: 10:19, Set: 18:18. Civil Dark: 17:39 - 08:01. Nautical Dark: 18:19 - 07:22. Astro Dark: 18:56 - 06:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
95
97
97
100
98
88

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
94
97
97
100
94
82

Medium Clouds (% Sky Obscured)

3
3
21
2
0
0
0
0
0
0
3
0
0
0
14
14
9
2
14
34
80
63
91
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
2
2
2
2
2
3
3
4
3
4
4
4
5
6
9
9
6
9
9
7
1
1

Fog (%)

0
0
1
0
0
0
0
0
0
0
0
0
2
2
8
13
10
11
14
16
5
13
13
0

Precipitation Type

None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
39
36
36
38
38
41
36
34
31
25
27
21
23
11
19
12
12
25
14
14
25
24
16

Precipitation Amount (mm)

0
0.1
0.1
0.1
0.1
0.1
0.2
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

28
28
27
26
25
23
22
21
19
17
17
14
13
13
13
12
11
12
14
14
14
15
15
15

Chance of Frost

Temperature (°C)

-10
-10
-10
-10
-9
-9
-9
-10
-10
-9
-10
-9
-10
-9
-10
-9
-9
-7
-7
-6
-6
-6
-7
-7

Feels Like (°C)

-22
-22
-22
-21
-21
-20
-19
-19
-20
-18
-18
-17
-17
-17
-17
-16
-15
-14
-14
-14
-14
-14
-15
-15

Dew Point (°C)

-12
-12
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-14
-13
-14
-13
-13
-12
-11
-11
-10
-9
-9
-9

Relative Humidity (%)

81
80
78
78
77
77
77
77
75
74
75
74
74
74
74
72
69
68
71
70
70
76
80
82

Pressure (mb)

1007
1008
1010
1011
1013
1015
1016
1018
1019
1021
1022
1023
1024
1025
1026
1026
1026
1025
1025
1025
1025
1026
1026
1026

Ozone (du)

392
393
388
383
382
388
387
389
395
397
397
402
380
367
362
363
367
366
368
374
372
374
384
383

Sunday 21

Waxing Crescent 7%

10:51

19:29

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

Sun - Rise: 08:37, Set: 17:04, Transit: 12:51. Moon - Rise: 10:51, Set: 19:29. Civil Dark: 17:40 - 08:01. Nautical Dark: 18:19 - 07:22. Astro Dark: 18:56 - 06:45

Total Clouds (% Sky Obscured)

75
83
77
81
80
100
100
100
77
55
100
100
53
30
100
100
86
94
97
92
70
80
98
100

Low Clouds (% Sky Obscured)

70
65
55
40
30
20
15
15
35
10
5
1
1
1
1
1
0
3
0
1
1
5
27
34

Medium Clouds (% Sky Obscured)

55
40
27
28
23
40
50
45
15
3
60
60
53
30
0
3
3
15
51
55
60
55
53
100

High Clouds (% Sky Obscured)

0
0
0
0
0
4
6
75
9
55
100
100
53
4
100
100
31
94
97
88
55
43
72
83

ISS Passover

Visibility (miles)

4
2
0
1
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
0
0
0
0

Precipitation Type

None
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
23
27
18
16
2
4
11
0
2
2
0
3
4
4
2
0
0
1
0
0
2
2
3

Precipitation Amount (mm)

0
0
0.1
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)

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

Chance of Frost

Temperature (°C)

-7
-7
-6
-6
-6
-7
-6
-6
-6
-6
-5
-4
-3
-3
-3
-2
-2
-0
0
0
0
1
-0
0

Feels Like (°C)

-14
-14
-13
-12
-11
-11
-10
-10
-11
-11
-10
-10
-9
-9
-9
-7
-7
-6
-5
-5
-4
-2
-3
-5

Dew Point (°C)

-10
-10
-8
-9
-10
-10
-10
-10
-9
-8
-8
-8
-7
-7
-7
-5
-3
-2
-3
-3
-3
-2
-3
-3

Relative Humidity (%)

77
79
85
82
74
74
76
76
77
80
82
75
72
73
76
82
89
86
78
80
81
81
81
81

Pressure (mb)

1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1023
1023
1022
1021
1021
1021
1020
1018
1017
1017
1016
1016
1015
1015

Ozone (du)

377
370
363
361
357
349
352
354
351
352
348
347
341
339
335
331
330
327
320
316
316
313
309
308

Monday 22

Waxing Crescent 13%

11:16

No Set

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 08:37, Set: 17:05, Transit: 12:51. Moon - Rise: 11:16, Set: No Set. Civil Dark: 17:40 - 08:02. Nautical Dark: 18:20 - 07:22. Astro Dark: 18:57 - 06:45

Total Clouds (% Sky Obscured)

100
100
98
97
96
94
90
86
84
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
41
51
47
48
48
49
46
51
61
71
82
93
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
99
96
92
88
78
69
38
27
16
5
4
4
4
2
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

56
35
34
1
45
0
0
0
23
50
75
50
25
0
0
0
0
0
0
0
0
2
0
2

ISS Passover

Visibility (miles)

9
9
9
9
0
0
0
0
0
0
0
4
2
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
0
0
0
0

Precipitation Type

None
None
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
5
20
40
53
52
44
35
28
9
15
17
16
9
13
18
20
17
23
20
18
12
11
10

Precipitation Amount (mm)

0
0
0
0
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
5
4
5
5
7
7
10
10
12
12
12
14
15
17
18
19
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-5
-5
-5
-5
-5
-5
-5
-4
-6
-6
-6
-5
-6
-6
-6
-6
-7
-7
-8
-8
-9
-9

Dew Point (°C)

-3
-3
-4
-3
-2
-2
-2
-2
-1
-1
-1
-2
-1
-2
-2
-3
-2
-3
-3
-3
-4
-5
-5
-5

Relative Humidity (%)

81
80
80
84
92
94
94
94
98
98
98
91
94
89
84
83
83
78
77
81
77
75
74
75

Pressure (mb)

1014
1014
1013
1013
1012
1011
1011
1011
1011
1011
1011
1011
1012
1013
1014
1015
1015
1015
1016
1018
1019
1021
1022
1024

Ozone (du)

306
305
306
307
309
316
319
324
323
323
327
330
327
324
325
328
330
330
325
323
321
318
317
316

Tuesday 23

Waxing Crescent 21%

11:36

20:42

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 08:38, Set: 17:05, Transit: 12:52. Moon - Rise: 11:36, Set: 20:42. Civil Dark: 17:41 - 08:02. Nautical Dark: 18:20 - 07:23. Astro Dark: 18:58 - 06:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
98
84
98
98
98
98
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
98
100
91
91
31
30
36
44
51
62
71
81
80
86
89
92
96
99
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
5
11
19
25
23
95
95
97
98
87
75
63
45
27
12
36
52
62
49

High Clouds (% Sky Obscured)

2
4
2
0
3
24
4
2
7
9
22
36
51
66
96
99
100
100
100
100
93
68
46
59

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
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
None
None
None
None
None

Precipitation Probability (%)

9
15
9
17
8
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
5

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)

18
17
13
11
7
6
5
2
3
5
7
8
8
9
10
10
10
10
9
7
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-10
-10
-9
-9
-8
-8
-7
-7
-7
-7
-8
-7
-7
-7
-8
-8
-8
-6
-5
-5
-5
-5
-5

Dew Point (°C)

-6
-6
-7
-8
-8
-8
-8
-8
-8
-7
-7
-6
-6
-6
-6
-6
-5
-5
-5
-4
-4
-4
-3
-3

Relative Humidity (%)

72
74
78
73
70
73
70
70
72
76
79
81
81
81
81
79
76
74
74
74
74
75
75
77

Pressure (mb)

1024
1025
1026
1026
1027
1027
1027
1028
1028
1027
1027
1026
1026
1025
1025
1023
1022
1021
1020
1019
1018
1018
1017
1016

Ozone (du)

314
312
310
311
308
308
307
307
308
307
304
304
302
301
300
300
299
299
300
301
302
303
303
303

Wednesday 24

Waxing Crescent 31%

11:53

21:55

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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

Sun - Rise: 08:38, Set: 17:06, Transit: 12:52. Moon - Rise: 11:53, Set: 21:55. Civil Dark: 17:42 - 08:02. Nautical Dark: 18:21 - 07:23. Astro Dark: 18:58 - 06:46

Total Clouds (% Sky Obscured)

100
100
92
79
64
55
63
66
79
87
87
83
75
71
78
88
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

87
90
92
79
64
55
63
66
79
86
86
81
67
62
37
33
24
28
29
33
32
31
30
41

Medium Clouds (% Sky Obscured)

42
38
29
16
3
2
2
1
3
4
6
7
8
9
6
3
0
8
11
17
47
74
100
100

High Clouds (% Sky Obscured)

78
97
86
62
37
20
16
9
30
56
86
72
50
29
47
73
100
100
100
100
85
53
15
40

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
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
None
None
None
None
None

Precipitation Probability (%)

8
7
10
9
4
4
4
1
4
3
1
2
0
0
0
0
0
0
0
0
0
0
0
7

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)

6
6
6
4
5
5
6
7
9
10
10
12
13
14
16
17
18
19
20
20
21
20
19
19

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
3
3
2
2
2
2
3

Feels Like (°C)

-3
-2
-2
-2
-2
-2
1
0
-0
-0
1
1
-1
-1
-2
-2
-2
-2
-4
-4
-5
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

77
78
78
77
74
73
74
74
76
77
77
79
80
81
81
85
88
89
89
89
89
91
91
89

Pressure (mb)

1016
1015
1014
1014
1013
1012
1012
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009

Ozone (du)

303
303
303
304
305
305
303
300
297
295
293
291
289
287
284
283
282
281
278
274
271
269
267
264

Thursday 25

Waxing Crescent 41%

12:09

23:08

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK

Sun - Rise: 08:38, Set: 17:07, Transit: 12:53. Moon - Rise: 12:09, Set: 23:08. Civil Dark: 17:42 - 08:03. Nautical Dark: 18:22 - 07:23. Astro Dark: 18:59 - 06:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
98
97
96
95
93
72
61
40
37
40
36

Low Clouds (% Sky Obscured)

55
73
83
90
97
97
95
95
96
94
92
69
47
26
32
40
36

Medium Clouds (% Sky Obscured)

99
99
97
95
95
78
57
36
34
32
30
23
15
7
5
2
0

High Clouds (% Sky Obscured)

68
100
68
40
20
29
29
17
8
3
0
1
2
2
2
2
2

ISS Passover

Visibility (miles)

9
9
9
6
3
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

9
6
24
33
34
30
27
17
14
14
16
14
9
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
15
15
12
10
8
8
12
16
16
17
18
19
18
19
19
19

Chance of Frost

Temperature (°C)

3
2
2
2
3
3
2
3
3
2
2
2
1
-1
-2
-2
-2

Feels Like (°C)

-5
-5
-5
-5
-5
-5
-4
-3
-2
-2
-1
-2
-6
-7
-8
-8
-8

Dew Point (°C)

2
2
2
2
2
2
2
2
2
1
-1
-2
-4
-6
-7
-7
-7

Relative Humidity (%)

93
94
96
96
96
98
98
96
96
89
82
76
73
68
66
67
69

Pressure (mb)

1009
1008
1008
1007
1007
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1009

Ozone (du)

267
270
272
276
280
284
288
292
295
298
301
303
308
314
319
322
325

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

Generated: 19/12/25 20:14:34. Forecast: 19/12/25 to 25/12/25. Timezone: UTC-5.00