Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waning Crescent 0%

08:44

15:52

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

Sun - Rise: 08:05, Set: 16:31, Transit: 12:17. Moon - Rise: 08:44, Set: 15:52. Civil Dark: 17:10 - 07:26. Nautical Dark: 17:53 - 06:43. Astro Dark: 18:33 - 06:02

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
100
85
81
70
53
25
50
44
77
82
82
91
100
95
100
100
100
100

Low Clouds (% Sky Obscured)

79
81
73
69
72
71
81
69
59
61
25
2
18
22
20
22
12
22
35
24
30
46
63
43

Medium Clouds (% Sky Obscured)

100
88
99
100
100
72
31
20
73
65
45
25
50
17
40
45
40
45
45
45
51
56
77
100

High Clouds (% Sky Obscured)

45
66
99
100
100
100
80
58
51
31
47
25
1
0
0
0
0
0
1
2
2
1
2
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
8
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
Very Light Rain
None

Precipitation Probability (%)

47
31
18
14
17
13
16
21
21
20
4
1
0
0
0
0
0
1
2
3
9
20
55
27

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
0.3
0

Wind Speed/Direction (mph)

5
5
8
9
9
8
8
9
9
8
6
6
6
6
6
4
3
4
5
5
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
89
89
85
83
79
82
82
86
89
79
74
75
70
70
70
69
70
71
65
61
59
60
67

Pressure (mb)

1000
1000
1000
1000
1001
1001
1001
1002
1002
1002
1003
1003
1004
1004
1005
1005
1006
1007
1008
1008
1008
1009
1009
1009

Ozone (du)

327
328
328
329
326
324
323
324
323
315
315
314
315
320
323
324
329
329
325
320
316
315
316
318

Thursday 20

New Moon 2%

09:56

No Set

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

Sun - Rise: 08:07, Set: 16:29, Transit: 12:18. Moon - Rise: 09:56, Set: No Set. Civil Dark: 17:09 - 07:28. Nautical Dark: 17:52 - 06:45. Astro Dark: 18:33 - 06:04

Total Clouds (% Sky Obscured)

99
73
57
100
100
69
70
78
41
59
92
58
47
13
8
29
13
12
3
3
3
3
2
17

Low Clouds (% Sky Obscured)

31
24
32
32
29
50
62
64
32
1
1
1
1
0
6
24
10
9
0
0
0
1
2
2

Medium Clouds (% Sky Obscured)

99
73
57
100
100
69
70
74
19
43
55
58
26
10
2
2
2
1
3
3
3
3
2
10

High Clouds (% Sky Obscured)

12
60
43
7
3
2
2
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
1
3
0
1
0
0
83
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
12
6
6
5
4
5
7
6
4
3
1
1
1
1
2
2
2
1
1
1
1
2
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
82
91
86
81
78
78
78
80
83
83
83
83
81
81
80
80
78
73
68
62
60
60
68

Pressure (mb)

1010
1011
1011
1012
1012
1013
1013
1014
1015
1015
1016
1016
1017
1017
1018
1019
1019
1020
1021
1022
1022
1022
1022
1022

Ozone (du)

323
327
331
331
331
335
335
331
330
328
329
331
330
327
327
327
327
325
324
323
322
322
323
321

Friday 21

Waxing Crescent 5%

10:59

16:22

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

Sun - Rise: 08:09, Set: 16:28, Transit: 12:18. Moon - Rise: 10:59, Set: 16:22. Civil Dark: 17:08 - 07:29. Nautical Dark: 17:51 - 06:46. Astro Dark: 18:32 - 06:05

Total Clouds (% Sky Obscured)

29
62
52
45
29
16
11
15
31
40
17
47
68
38
76
67
65
76
57
34
67
69
67
68

Low Clouds (% Sky Obscured)

2
1
2
0
0
0
0
0
0
0
0
2
2
0
0
1
10
2
2
4
2
3
3
1

Medium Clouds (% Sky Obscured)

18
44
36
31
19
12
8
15
31
40
17
28
27
23
64
59
37
56
42
23
17
26
28
29

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
2
7
13
17
13
53
16
44
30
29
59
32
5
35
49
27
58

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
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
2
1
1
1
1
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)

3
3
3
4
4
5
5
6
7
7
7
7
7
7
7
8
8
8
10
12
13
13
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
77
78
80
81
83
83
86
87
89
91
91
91
91
91
89
87
86
78
70
69
72
76
80

Pressure (mb)

1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021

Ozone (du)

318
313
309
306
304
302
301
301
300
299
297
294
289
286
283
279
277
278
278
278
281
281
271
258

Saturday 22

Waxing Crescent 10%

11:48

17:06

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
15 Bad

Sun - Rise: 08:11, Set: 16:27, Transit: 12:18. Moon - Rise: 11:48, Set: 17:06. Civil Dark: 17:07 - 07:31. Nautical Dark: 17:50 - 06:48. Astro Dark: 18:31 - 06:07

Total Clouds (% Sky Obscured)

71
77
83
73
64
56
58
56
58
54
50
46
62
82
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
0
4
9
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
14
30
42

Medium Clouds (% Sky Obscured)

37
42
47
62
64
56
58
52
40
54
37
20
14
8
3
61
87
100
92
85
77
84
91
98

High Clouds (% Sky Obscured)

53
63
66
63
56
41
40
35
42
40
30
24
47
73
100
100
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
0
0
0
0
0
0
0
0
0
0
0
0
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
9
11
10
11
11
11
11
11
11
10
10
10
10
10
11
11
12
12
13
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
93
91
91
89
89
88
88
89
91
89
87
84
79
75
71
70
67
63
59
56
53
52
51

Pressure (mb)

1021
1021
1020
1020
1020
1019
1019
1018
1018
1017
1016
1015
1014
1014
1013
1012
1011
1011
1010
1009
1008
1006
1005
1004

Ozone (du)

256
254
262
272
276
278
281
281
281
281
281
280
278
275
275
275
275
274
274
274
273
273
275
273

Sunday 23

Waxing Crescent 16%

12:24

18:04

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
15 Bad

Sun - Rise: 08:12, Set: 16:26, Transit: 12:19. Moon - Rise: 12:24, Set: 18:04. Civil Dark: 17:06 - 07:32. Nautical Dark: 17:49 - 06:49. Astro Dark: 18:30 - 06:08

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

83
92
100
97
94
90
93
96
100
97
94
91
86
80
77
94
93
93
95
98
100
100
99
99

Medium Clouds (% Sky Obscured)

99
100
100
99
96
83
80
51
44
16
39
20
31
42
50
49
47
42
37
34
32
50
71
90

High Clouds (% Sky Obscured)

100
100
92
72
50
3
1
1
0
0
0
0
1
1
1
3
3
2
2
3
3
13
22
49

ISS Passover

Visibility (miles)

9
7
8
9
9
0
0
0
1
8
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
Snow
Snow
None
None
None
None

Precipitation Probability (%)

7
20
11
32
56
72
78
67
35
27
14
2
5
7
6
32
37
41
43
43
42
33
27
24

Precipitation Amount (mm)

0
0
0
0
0
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-8
-7
-7
-4
-1
-1
-0
-0
0
0
0
1
1
2
1
1
1
1
1
1
1
2
2

Relative Humidity (%)

50
50
53
55
70
94
94
96
94
94
94
93
93
94
96
94
94
94
94
91
88
88
89
91

Pressure (mb)

1003
1003
1002
1001
1001
1000
1000
999
999
999
998
998
998
998
997
997
999
999
999
999
999
999
999
1000

Ozone (du)

273
274
275
276
278
279
279
282
285
286
288
292
294
295
296
296
297
298
298
299
300
301
301
301

Monday 24

Waxing Crescent 15%

12:49

19:14

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
15 Bad

Sun - Rise: 08:14, Set: 16:25, Transit: 12:19. Moon - Rise: 12:49, Set: 19:14. Civil Dark: 17:05 - 07:34. Nautical Dark: 17:48 - 06:51. Astro Dark: 18:29 - 06:09

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
98
99
100
100
99
99
99
98
98
96
93
90
91
93
95
93
92
90

Low Clouds (% Sky Obscured)

100
100
100
99
98
96
95
94
95
90
84
72
77
84
90
91
91
90
91
93
94
89
86
81

Medium Clouds (% Sky Obscured)

70
54
44
52
52
52
68
84
100
98
97
96
91
89
87
70
45
27
30
32
40
46
49
53

High Clouds (% Sky Obscured)

36
26
11
18
25
31
32
26
23
14
9
5
7
10
12
8
4
0
0
2
2
1
1
2

ISS Passover

Visibility (miles)

9
6
3
0
3
6
9
9
9
9
9
9
9
9
9
9
7
4
1
1
1
1
4
7

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

Precipitation Probability (%)

32
41
51
67
80
73
60
52
43
33
26
14
15
12
5
8
8
3
8
8
3
5
4
0

Precipitation Amount (mm)

0
0
0.2
0.5
0.8
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
96
98
98
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
94
96
93
89

Pressure (mb)

1000
1000
1001
1001
1002
1002
1003
1003
1003
1004
1004
1004
1005
1005
1006
1006
1007
1008
1008
1009
1009
1009
1010
1010

Ozone (du)

301
302
303
304
303
303
303
304
304
305
305
305
305
306
307
308
310
311
312
313
314
315
312
309

Tuesday 25

Waxing Crescent 25%

13:07

20:32

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

Sun - Rise: 08:15, Set: 16:24, Transit: 12:19. Moon - Rise: 13:07, Set: 20:32. Civil Dark: 17:04 - 07:35. Nautical Dark: 17:47 - 06:52. Astro Dark: 18:29 - 06:10

Total Clouds (% Sky Obscured)

87
85
84
67
51
35
27
18
15
25
36
46
43
43
35
45
61
78
71
63
57

Low Clouds (% Sky Obscured)

77
66
53
38
24
15
13
15
15
25
33
42
29
17
3
3
2
1
12
20
30

Medium Clouds (% Sky Obscured)

50
50
48
36
27
17
25
18
15
25
36
46
43
43
35
45
48
42
33
24
12

High Clouds (% Sky Obscured)

1
0
0
3
3
4
4
9
15
15
15
10
10
5
5
30
49
74
60
44
27

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

Fog (%)

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

Precipitation Probability (%)

1
1
1
1
2
0
1
1
0
1
1
0
1
1
0
0
0
0
1
2
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

Wind Speed/Direction (mph)

7
7
7
7
7
7
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
84
83
86
86
88
89
91
94
94
94
94
92
91
89
88
88
88
83
79

Pressure (mb)

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

Ozone (du)

306
306
305
305
307
308
310
312
315
317
316
314
313
313
313
313
314
316
317
318
320

Forecast for Stadskanaal, Gemeente Stadskanaal, Netherlands (52.99,6.95)

Generated: 19/11/25 16:52:03. Forecast: 19/11/25 to 25/11/25. Timezone: UTC+1.00