Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Crescent 8%

09:50

17:27

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
15 Bad
16 Bad

Sun - Rise: 07:35, Set: 16:10, Transit: 11:52. Moon - Rise: 09:50, Set: 17:27. Civil Dark: 16:45 - 07:00. Nautical Dark: 17:22 - 06:22. Astro Dark: 17:59 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
83
100
100
99
100
100
83
87
84
78
82
73
90
100
100
76

Low Clouds (% Sky Obscured)

0
0
0
0
4
25
1
8
13
14
17
8
3
1
1
0
0
9
37
10
10
0
1
5

Medium Clouds (% Sky Obscured)

100
100
99
97
96
93
85
81
82
97
100
76
85
91
80
81
81
74
74
73
90
99
62
67

High Clouds (% Sky Obscured)

86
88
81
72
100
72
100
87
12
88
100
99
77
77
77
78
75
70
39
55
61
52
48
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
3
17
12
11
11
10
44
47
47
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.4
0
0
0

Wind Speed/Direction (mph)

6
5
5
4
4
5
5
4
4
4
3
5
6
6
7
8
10
5
7
6
8
9
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-10
-10
-9
-9
-8
-7
-6
-6
-5
-5
-5
-4
-3
-3
-3
-3
-3
-2
0
1
3
3
2

Relative Humidity (%)

42
43
46
49
51
53
59
65
67
70
71
70
75
80
83
83
78
76
76
80
82
91
86
83

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1009
1010
1010
1009
1009
1008
1010
1011

Ozone (du)

315
310
309
307
302
298
294
289
287
285
284
284
285
281
279
280
279
279
279
280
280
281
277
278

Monday 22

Waxing Crescent 14%

10:16

18:37

17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 07:36, Set: 16:10, Transit: 11:53. Moon - Rise: 10:16, Set: 18:37. Civil Dark: 16:45 - 07:01. Nautical Dark: 17:23 - 06:22. Astro Dark: 18:00 - 05:46

Total Clouds (% Sky Obscured)

88
55
46
24
50
81
69
88
93
87
87
100
98
100
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
5
1
0
37
52
52
67
82
72
67
54
51
43
39
42
46
52
33
28
21
21
29
35

Medium Clouds (% Sky Obscured)

64
30
21
7
22
55
31
40
40
51
62
54
43
77
72
89
99
66
50
67
43
30
33
28

High Clouds (% Sky Obscured)

45
50
46
24
3
0
6
32
30
3
1
99
91
98
100
92
100
100
100
100
100
100
100
100

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 (%)

0
0
0
0
0
0
0
0
0
0
0
11
4
0
0
0
0
0
0
0
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)

9
9
8
7
6
6
5
5
4
3
2
2
4
4
5
6
9
13
15
15
16
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
89
91
91
89
89
89
91
91
91
91
87
83
78
78
77
71
67
68
69
69
69
74

Pressure (mb)

1013
1014
1015
1016
1017
1018
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1021
1019
1018
1018
1018
1017

Ozone (du)

280
282
284
285
289
289
289
290
289
292
290
288
289
288
286
287
284
285
283
279
279
277
277
277

Tuesday 23

Waxing Crescent 22%

10:36

19:49

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 Good
10 Good
11 OK
12 Good
13 Good
14 OK
15 OK
16 OK

Sun - Rise: 07:36, Set: 16:11, Transit: 11:53. Moon - Rise: 10:36, Set: 19:49. Civil Dark: 16:46 - 07:01. Nautical Dark: 17:24 - 06:23. Astro Dark: 18:00 - 05:46

Total Clouds (% Sky Obscured)

100
78
97
100
54
100
100
96
94
74
90
92
58
98
84
70
17
6
24
6
4
31
35
35

Low Clouds (% Sky Obscured)

35
39
42
41
16
0
0
0
11
19
16
14
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

22
12
9
1
2
2
0
0
0
2
42
18
26
39
40
40
2
2
2
1
0
0
0
0

High Clouds (% Sky Obscured)

100
30
90
100
48
100
100
96
90
73
87
91
58
84
40
35
13
4
24
4
4
31
35
30

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 (%)

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 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)

16
16
16
14
13
11
8
6
4
4
5
3
4
4
4
2
4
3
3
6
7
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
80
83
83
84
84
86
81
77
72
74
74
74
77
81
74
71
68
70
71
75
80
86

Pressure (mb)

1017
1017
1016
1015
1014
1014
1014
1013
1013
1013
1013
1012
1013
1013
1014
1014
1014
1014
1013
1012
1011
1011
1011
1012

Ozone (du)

275
272
274
276
278
278
276
277
279
280
277
281
285
286
287
286
285
283
281
279
276
276
274
270

Wednesday 24

Waxing Crescent 31%

10:55

21:02

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
15 Bad
16 Bad

Sun - Rise: 07:36, Set: 16:11, Transit: 11:54. Moon - Rise: 10:55, Set: 21:02. Civil Dark: 16:46 - 07:02. Nautical Dark: 17:24 - 06:23. Astro Dark: 18:01 - 05:46

Total Clouds (% Sky Obscured)

51
71
92
77
74
77
82
90
88
96
89
96
85
88
89
100
93
97
100
97
87
91
93
77

Low Clouds (% Sky Obscured)

20
40
56
61
66
65
65
55
35
24
19
22
21
46
66
92
85
91
95
89
67
72
69
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
7
12
20
54
43
78
32
31
17
21
28
40
40
45
45
48
52
49

High Clouds (% Sky Obscured)

28
37
48
63
74
77
74
56
33
23
14
7
34
61
85
85
85
85
85
85
87
91
93
77

ISS Passover

Visibility (miles)

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

11
12
13
14
15
15
15
15
15
14
11
7
10
14
10
19
16
20
20
18
16
16
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-6
-7
-6
-6
-5
-6
-6
-4
-4
-2
-4
-7
-7
-10
-9
-9
-10
-10
-8
-9
-10
-11

Dew Point (°C)

-1
-2
-2
-3
-3
-3
-3
-3
-3
-2
-2
-2
-1
-3
-3
-4
-5
-5
-5
-6
-7
-8
-9
-10

Relative Humidity (%)

86
84
84
84
86
86
87
87
86
87
87
87
88
87
89
87
81
78
75
71
68
65
66
69

Pressure (mb)

1012
1011
1011
1011
1010
1009
1008
1007
1006
1005
1004
1003
1004
1006
1006
1008
1009
1010
1011
1010
1011
1011
1012
1013

Ozone (du)

270
272
272
272
274
277
278
279
280
282
283
286
289
293
295
300
306
312
317
320
321
321
324
322

Thursday 25

Waxing Crescent 29%

11:11

22:14

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 OK
13 Good
14 Good
15 OK
16 OK

Sun - Rise: 07:37, Set: 16:12, Transit: 11:54. Moon - Rise: 11:11, Set: 22:14. Civil Dark: 16:47 - 07:02. Nautical Dark: 17:25 - 06:23. Astro Dark: 18:02 - 05:47

Total Clouds (% Sky Obscured)

72
70
73
60
66
70
69
53
49
57
61
64
71
80
90
82
81
78
52
27
2
10
18
25

Low Clouds (% Sky Obscured)

18
28
40
26
35
43
42
43
42
46
50
54
57
60
63
49
43
37
28
14
0
0
0
0

Medium Clouds (% Sky Obscured)

51
56
59
41
21
1
5
0
0
7
13
19
38
61
68
57
64
71
47
22
1
7
15
21

High Clouds (% Sky Obscured)

63
32
0
0
0
0
3
6
9
18
27
36
57
74
90
63
34
5
4
2
1
2
3
4

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 (%)

5
5
3
2
2
0
0
0
0
0
0
0
2
6
9
10
9
2
5
4
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)

11
10
7
5
6
6
6
8
10
10
9
12
14
15
16
17
15
13
13
11
11
12
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-10
-10
-10
-10
-11
-11
-11
-10
-10
-10
-11
-11
-12
-11
-12
-12
-12
-5
-4
-3
-2
-1

Dew Point (°C)

-10
-11
-11
-11
-12
-12
-12
-11
-11
-11
-10
-10
-10
-10
-9
-9
-8
-7
-5
-4
-3
-2
-2
-2

Relative Humidity (%)

70
70
70
70
68
67
66
66
67
67
69
69
69
70
70
72
69
68
67
64
62
59
61
66

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1011
1011
1010
1009
1008
1008
1007
1006
1004
1003
1004
1004

Ozone (du)

322
324
325
327
327
331
337
343
347
349
351
351
351
350
349
349
347
344
342
340
338
336
335
335

Friday 26

Waxing Crescent 42%

11:28

23:27

17 OK
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 OK
01 OK
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

Sun - Rise: 07:37, Set: 16:13, Transit: 11:55. Moon - Rise: 11:28, Set: 23:27. Civil Dark: 16:48 - 07:02. Nautical Dark: 17:26 - 06:24. Astro Dark: 18:02 - 05:47

Total Clouds (% Sky Obscured)

26
26
27
37
44
63
61
44
39
53
69
89
93
97
100
99
98
97
93
89
80
69
63
57

Low Clouds (% Sky Obscured)

0
0
0
0
1
1
3
4
8
25
42
58
48
42
39
38
41
41
38
33
22
18
17
22

Medium Clouds (% Sky Obscured)

23
25
25
29
32
39
41
31
22
34
48
73
83
92
99
94
87
81
78
59
43
21
12
6

High Clouds (% Sky Obscured)

6
9
11
10
8
10
12
14
16
13
12
9
12
10
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
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
5
11
16
33
44
51
40
27
8
6
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
7
6
6
5
6
5
5
5
4
6
8
9
11
12
14
15
17
17
17
18
16
14

Chance of Frost

Temperature (°C)

3
3
3
2
2
2
2
2
1
1
0
-1
-2
-3
-3
-4
-5
-5
-6
-6
-6
-6
-7
-8

Feels Like (°C)

-0
-1
-1
-0
-1
-1
-1
-2
-2
-2
-2
-2
-2
-6
-6
-6
-7
-8
-9
-12
-13
-13
-13
-13

Dew Point (°C)

-3
-3
-3
-3
-4
-4
-4
-4
-4
-5
-4
-4
-4
-5
-6
-8
-9
-11
-12
-13
-14
-15
-16
-16

Relative Humidity (%)

68
68
68
68
66
66
66
68
69
67
74
78
84
82
79
76
72
66
62
57
53
50
51
53

Pressure (mb)

1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1009
1010
1011
1013
1014
1016
1018
1021
1023
1024
1025
1026
1028
1030

Ozone (du)

334
337
339
341
342
343
344
344
344
344
346
348
350
351
352
353
357
360
364
366
368
371
369
367

Saturday 27

First Quarter 53%

11:47

00:43

17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good

Sun - Rise: 07:37, Set: 16:14, Transit: 11:55. Moon - Rise: 11:47, Set: 00:43. Civil Dark: 16:49 - 07:02. Nautical Dark: 17:26 - 06:24. Astro Dark: 18:03 - 05:47

Total Clouds (% Sky Obscured)

35
18
0
0
0
0
4
8
12
9
7
4
4
3
2
7
9
18

Low Clouds (% Sky Obscured)

27
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
3
3
4
4
3
2
1
4
6
11

ISS Passover

Visibility (miles)

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

Precipitation Type

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
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
10
9
7
6
6
4
4
3
4
4
4
5
5
6
6
7

Chance of Frost

Temperature (°C)

-9
-10
-10
-11
-11
-11
-11
-12
-12
-12
-12
-11
-11
-10
-10
-9
-6
-4

Feels Like (°C)

-13
-14
-14
-14
-14
-15
-15
-15
-15
-14
-14
-14
-14
-12
-12
-11
-10
-10

Dew Point (°C)

-17
-17
-17
-18
-18
-18
-18
-18
-18
-18
-18
-17
-17
-16
-15
-14
-11
-10

Relative Humidity (%)

54
55
55
56
58
58
59
60
60
60
60
61
61
62
65
67
66
62

Pressure (mb)

1031
1032
1033
1034
1034
1034
1035
1035
1035
1035
1034
1034
1033
1033
1032
1032
1031
1030

Ozone (du)

365
361
357
353
353
352
352
344
336
328
327
325
323
323
324
324
320
317

Forecast for Walser Crossing, Slope, United States of America (46.59,-103.44)

Generated: 21/12/25 17:35:28. Forecast: 21/12/25 to 27/12/25. Timezone: UTC-7.00