Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

New Moon 1%

09:38

16:15

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
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

Sun - Rise: 08:36, Set: 17:03, Transit: 12:50. Moon - Rise: 09:38, Set: 16:15. Civil Dark: 17:38 - 08:00. Nautical Dark: 18:18 - 07:21. Astro Dark: 18:55 - 06:44

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
89
73
69
51
75
71
51
51
100
94
76
100
99
80
100
100
80
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

11
57
93
90
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
60
60
60
0

High Clouds (% Sky Obscured)

5
62
16
40
35
0
0
45
100
100
100
100
100
100
100
100
100
67
96
97
75
80
0
0

ISS Passover

Visibility (miles)

3
5
7
9
9
9
9
9
9
1
0
3
9
1
0
0
0
0
0
2
0
2
9
9

Fog (%)

12
16
21
19
2
5
8
5
2
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None

Precipitation Probability (%)

0
0
11
3
1
0
4
7
32
73
76
50
65
95
95
94
95
72
63
57
41
38
34
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.5
0.1
0.3
0.6
0.7
0.6
0.8
0.3
0.2
0.3
0.1
0.1
0
0

Wind Speed/Direction (mph)

14
12
7
3
3
6
9
10
17
17
20
22
22
17
18
17
15
16
15
14
15
21
26
29

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-14
-14
-13
-12
-13
-13
-12
-14
-14
-15
-15
-15
-11
-13
-12
-12
-13
-11
-11
-11
-12
-14
-17

Dew Point (°C)

-12
-12
-13
-14
-14
-12
-11
-11
-10
-10
-8
-8
-8
-8
-6
-6
-6
-7
-6
-6
-5
-4
-6
-9

Relative Humidity (%)

75
72
70
64
63
70
77
71
74
73
84
84
77
76
87
90
89
87
87
85
92
83
75
72

Pressure (mb)

1011
1011
1012
1012
1012
1012
1011
1011
1008
1009
1008
1006
1004
1003
1001
1000
1000
999
999
998
997
996
996
997

Ozone (du)

375
371
370
369
368
369
372
370
356
359
359
358
359
361
364
360
357
358
364
365
368
371
375
387

Saturday 20

Waxing Crescent 3%

10:19

17:12

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
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

Sun - Rise: 08:37, Set: 17:03, Transit: 12:50. Moon - Rise: 10:19, Set: 17:12. Civil Dark: 17:39 - 08:01. Nautical Dark: 18:18 - 07:22. 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)

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

Medium Clouds (% Sky Obscured)

0
0
0
2
33
5
0
0
3
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
15
20
5
0
1
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

45
48
49
47
45
42
42
36
36
38
37
40
39
41
38
34
33
34
29
27
24
13
6
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

29
29
29
29
29
29
28
28
27
26
25
24
24
22
21
20
18
16
16
14
15
14
13
13

Chance of Frost

Temperature (°C)

-7
-8
-10
-10
-11
-11
-11
-10
-10
-10
-10
-11
-10
-11
-11
-10
-10
-10
-10
-10
-10
-10
-10
-9

Feels Like (°C)

-20
-21
-23
-23
-24
-23
-23
-22
-22
-22
-21
-22
-21
-21
-21
-20
-19
-18
-19
-18
-17
-17
-17
-16

Dew Point (°C)

-10
-11
-13
-13
-13
-13
-14
-13
-13
-13
-13
-14
-13
-14
-14
-13
-14
-13
-14
-13
-13
-14
-14
-13

Relative Humidity (%)

77
80
77
80
80
80
78
78
77
77
78
76
78
80
78
78
75
75
75
75
75
74
74
74

Pressure (mb)

998
999
1001
1002
1004
1005
1006
1008
1009
1011
1012
1014
1016
1017
1019
1020
1022
1023
1025
1026
1027
1028
1028
1028

Ozone (du)

387
389
390
391
393
391
392
390
389
388
386
388
389
396
397
400
403
394
380
370
371
371
361
366

Sunday 21

Waxing Crescent 7%

10:51

18:18

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
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

Sun - Rise: 08:37, Set: 17:04, Transit: 12:51. Moon - Rise: 10:51, Set: 18:18. Civil Dark: 17:39 - 08:01. Nautical Dark: 18:19 - 07:22. Astro Dark: 18:56 - 06:45

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
96
94
98
93
92
85
50
72
83
75
69
92
98
88
99
99
100
100

Low Clouds (% Sky Obscured)

100
100
100
83
81
43
15
15
10
10
10
43
50
64
81
75
69
92
98
83
77
71
63
54

Medium Clouds (% Sky Obscured)

5
17
29
37
95
92
42
94
98
93
92
70
11
5
0
0
0
0
0
20
37
50
52
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
94
6
0
0
0
0
0
0
0
0
0
18
31
40
99
98

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 (%)

16
5
13
13
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 (%)

15
8
11
10
7
8
11
3
3
1
1
1
0
0
3
0
1
1
1
2
1
1
1
1

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)

12
11
12
12
13
11
11
12
12
10
10
9
10
10
11
10
12
11
10
10
10
10
11
9

Chance of Frost

Temperature (°C)

-9
-8
-8
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-5
-4
-3
-3
-2
-2
-1
-1
-1

Feels Like (°C)

-16
-14
-14
-14
-14
-13
-14
-14
-14
-13
-13
-12
-13
-11
-12
-11
-10
-9
-9
-9
-8
-7
-7
-6

Dew Point (°C)

-13
-13
-12
-12
-12
-12
-11
-10
-11
-12
-12
-11
-11
-11
-10
-9
-8
-8
-7
-7
-6
-6
-6
-6

Relative Humidity (%)

71
68
68
68
68
70
76
80
76
71
71
71
71
70
74
72
73
72
71
72
75
71
66
68

Pressure (mb)

1028
1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1025
1024
1024
1024
1023
1023
1023
1022
1021
1020
1019

Ozone (du)

364
367
374
376
377
379
378
372
366
360
351
346
346
347
350
342
342
337
341
337
333
329
323
318

Monday 22

Waxing Crescent 7%

11:16

19:29

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
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

Sun - Rise: 08:37, Set: 17:04, Transit: 12:51. Moon - Rise: 11:16, Set: 19:29. Civil Dark: 17:40 - 08:02. Nautical Dark: 18:19 - 07:22. Astro Dark: 18:56 - 06:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
98
98
97
96
94
94
88
96
97
97
97
98
99

Low Clouds (% Sky Obscured)

30
64
53
41
52
55
43
33
29
30
45
65
76
83
90
94
94
81
95
96
97
97
98
99

Medium Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
100
97
89
27
18
11
5
0
8
15
23
16
12
10
11
11

High Clouds (% Sky Obscured)

97
98
99
100
98
96
94
95
98
75
72
69
62
35
19
5
4
2
0
0
2
3
30
0

ISS Passover

Visibility (miles)

9
9
9
9
9
3
1
1
3
9
0
0
5
3
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 (%)

0
3
5
6
7
31
28
34
10
30
35
21
19
16
17
6
0
4
2
10
3
1
1
1

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)

9
10
10
12
11
9
9
9
9
8
9
9
11
13
16
19
20
21
21
21
23
23
22
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
75
84
86
86
91
87
89
86
94
94
91
92
86
84
84
81
77
73
77
75
78
77

Pressure (mb)

1018
1017
1017
1016
1016
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1014
1014
1015
1016
1017
1018

Ozone (du)

313
315
309
307
307
306
307
306
308
310
314
316
319
323
326
330
325
324
327
328
328
328
323
324

Tuesday 23

Waxing Crescent 13%

11:36

20:42

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
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

Sun - Rise: 08:38, Set: 17:05, Transit: 12:52. Moon - Rise: 11:36, Set: 20:42. Civil Dark: 17:40 - 08:02. Nautical Dark: 18:20 - 07:23. Astro Dark: 18:57 - 06:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
94
93
91
89
93
96

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
92
88
86
83
71
60
57
61
57

Medium Clouds (% Sky Obscured)

12
13
12
13
14
23
90
84
83
79
97
98
99
98
97
96
71
43
15
14
9
11
16
26

High Clouds (% Sky Obscured)

2
2
2
5
18
77
90
93
97
100
79
86
60
23
3
0
30
60
91
84
78
71
79
86

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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 (%)

2
16
8
4
5
8
18
7
4
4
15
11
6
11
9
3
5
5
2
2
1
0
1
1

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)

22
20
19
17
15
13
11
10
9
10
7
7
6
7
7
7
8
9
10
11
9
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-10
-10
-10
-11
-10
-9
-9
-9
-9
-9
-8
-8
-8
-9
-9
-9
-8
-8
-9
-8
-9
-8
-7

Dew Point (°C)

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

Relative Humidity (%)

75
72
72
74
72
75
73
70
70
69
69
70
72
73
75
76
78
79
78
79
78
76
76
76

Pressure (mb)

1019
1020
1021
1022
1023
1024
1025
1026
1026
1026
1027
1026
1026
1027
1027
1027
1027
1027
1027
1028
1027
1027
1027
1027

Ozone (du)

324
325
322
316
311
311
312
311
309
304
306
307
308
309
309
309
309
308
306
305
305
305
305
305

Wednesday 24

Waxing Crescent 21%

11:53

21:55

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
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

Sun - Rise: 08:38, Set: 17:05, Transit: 12:52. Moon - Rise: 11:53, Set: 21:55. Civil Dark: 17:41 - 08:02. Nautical Dark: 18:20 - 07:23. Astro Dark: 18:58 - 06:46

Total Clouds (% Sky Obscured)

98
98
97
98
98
98
98
95
91
87
91
96
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
51
51
49
44
39
32
25
24
24
21
18
11
11
9
9
10
7
7
19
31
43
57
73

Medium Clouds (% Sky Obscured)

37
60
66
72
75
85
92
86
79
72
73
75
75
75
72
69
77
88
100
100
100
100
100
100

High Clouds (% Sky Obscured)

93
95
96
98
94
81
72
62
48
38
58
79
100
100
100
100
100
100
100
100
100
100
92
84

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
Frozen rai

Precipitation Probability (%)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
18
23
54
73

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
0.3

Wind Speed/Direction (mph)

10
10
10
10
10
9
8
7
6
6
6
5
6
8
10
11
13
16
18
20
21
22
23
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-6
-6
-6
-6
-6
-5
-4
-5
-3
-2
-2
-2
-2
-3
-4
-5
-5
-5
-5
-6
-7

Dew Point (°C)

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

Relative Humidity (%)

75
75
75
77
78
77
75
75
77
77
77
78
81
83
81
81
81
83
84
88
88
89
89
93

Pressure (mb)

1027
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1022
1021
1020
1019
1018
1016
1015
1013
1011
1009
1007

Ozone (du)

305
306
307
309
311
311
310
310
307
304
302
299
295
292
289
286
283
283
282
281
282
283
284
287

Thursday 25

Waxing Crescent 31%

12:09

23:08

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK

Sun - Rise: 08:38, Set: 17:06, Transit: 12:53. Moon - Rise: 12:09, Set: 23:08. Civil Dark: 17:42 - 08:03. Nautical Dark: 18:21 - 07:23. Astro Dark: 18:58 - 06:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
95
90
85
64
44
27

Low Clouds (% Sky Obscured)

87
92
97
100
97
93
86
86
87
87
91
90
85
64
44
27

Medium Clouds (% Sky Obscured)

100
97
94
91
75
60
65
70
70
85
63
32
0
0
0
0

High Clouds (% Sky Obscured)

82
72
61
50
35
35
15
15
10
5
10
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

Fog (%)

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

Precipitation Type

Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

88
95
95
95
93
86
71
68
63
56
48
34
9
5
1
0

Precipitation Amount (mm)

0.4
0.7
0.8
0.6
0.5
0.4
0.2
0.3
0.3
0.2
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

22
21
16
14
14
17
18
20
20
20
23
23
23
24
23
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-8
-8
-5
-5
-4
-5
-5
-4
-9
-9
-11
-11
-10

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
93
93
89
88
85
79
76
72
73
74
74
73
71

Pressure (mb)

1006
1004
1003
1002
1002
1001
1001
1001
1001
1001
1001
1002
1003
1004
1005
1006

Ozone (du)

291
294
298
301
304
307
310
313
312
311
310
313
315
318
324
329

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

Generated: 19/12/25 15:01:58. Forecast: 19/12/25 to 25/12/25. Timezone: UTC-5.00