Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 20

New Moon 0%

08:48

15:52

07 OK
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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:08, Set: 16:30, Transit: 12:19. Moon - Rise: 08:48, Set: 15:52. Civil Dark: 17:09 - 07:29. Nautical Dark: 17:53 - 06:47. Astro Dark: 18:34 - 06:06

Total Clouds (% Sky Obscured)

47
69
75
82
100
100
96
99
100
100
100
60
84
51
42
99
59
70
56
56
29
34
52
55

Low Clouds (% Sky Obscured)

19
7
18
15
15
15
10
13
10
10
5
10
3
2
4
10
25
2
23
19
2
7
27
44

Medium Clouds (% Sky Obscured)

47
52
48
48
48
48
49
86
100
100
100
60
84
51
42
96
59
70
20
43
29
34
52
50

High Clouds (% Sky Obscured)

0
1
1
1
2
2
7
11
27
50
50
26
4
24
3
2
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5

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 (%)

1
2
2
4
9
20
22
25
26
17
15
16
16
15
21
15
18
18
21
24
25
22
26
32

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-6
-3
-3
-3
-2
-1
0
0
-1
-1
-1
-1
-2
-1
-1
-1
-1
-1
-2
-2
-2
-1

Relative Humidity (%)

68
67
68
75
69
64
62
66
73
77
80
83
83
86
88
89
91
89
92
94
94
92
92
94

Pressure (mb)

1006
1007
1008
1008
1009
1009
1009
1009
1010
1010
1011
1012
1012
1013
1014
1014
1015
1016
1016
1017
1017
1018
1018
1019

Ozone (du)

324
326
319
313
311
315
320
329
330
328
329
330
329
328
331
331
329
331
333
333
331
328
328
329

Friday 21

Waxing Crescent 2%

09:59

16:22

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

Sun - Rise: 08:10, Set: 16:29, Transit: 12:19. Moon - Rise: 09:59, Set: 16:22. Civil Dark: 17:08 - 07:30. Nautical Dark: 17:52 - 06:48. Astro Dark: 18:33 - 06:07

Total Clouds (% Sky Obscured)

53
39
50
40
35
38
46
10
6
4
13
3
17
25
34
44
14
65
50
78
94
86
95
98

Low Clouds (% Sky Obscured)

41
25
32
25
25
23
38
10
6
4
1
1
13
15
16
2
3
3
23
25
40
47
51
57

Medium Clouds (% Sky Obscured)

50
39
50
33
3
2
0
0
0
0
0
0
0
6
16
27
7
15
21
38
39
26
64
56

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
10
3
2
2
2
1
1
54
4
19
79
59
31
90

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
2
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
39
33
21
8
7
4
6
6
4
5
5
2
3
3
3
3
3
2
2
3
3
3
2

Precipitation Amount (mm)

0
0.2
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)

1
1
2
4
5
6
6
6
5
5
5
5
6
6
7
7
8
8
8
9
9
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
100
98
98
96
94
91
93
92
94
92
92
92
94
92
94
92
92
91
91
91
89

Pressure (mb)

1020
1020
1021
1022
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1023

Ozone (du)

327
324
325
328
329
324
320
314
312
307
303
301
298
295
294
294
295
297
294
290
285
279
277
275

Saturday 22

Waxing Crescent 5%

11:02

17:05

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:11, Set: 16:28, Transit: 12:20. Moon - Rise: 11:02, Set: 17:05. Civil Dark: 17:07 - 07:32. Nautical Dark: 17:51 - 06:50. Astro Dark: 18:32 - 06:08

Total Clouds (% Sky Obscured)

95
97
96
93
95
95
100
97
100
100
100
97
93
80
79
73
78
100
100
100
100
100
95
100

Low Clouds (% Sky Obscured)

51
49
49
38
39
48
69
57
86
57
18
32
0
0
0
19
1
1
2
2
3
35
12
35

Medium Clouds (% Sky Obscured)

54
51
66
58
71
53
81
67
70
78
100
95
93
80
79
68
78
62
64
70
76
85
46
53

High Clouds (% Sky Obscured)

45
93
61
47
73
75
40
58
27
33
97
30
35
40
52
37
51
86
100
91
76
90
87
92

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 (%)

1
0
1
1
1
1
0
1
1
1
4
4
1
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)

11
12
13
13
13
14
13
13
13
12
12
13
13
13
13
14
13
13
13
13
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
88
84
83
83
85
82
83
85
86
85
83
81
80
80
81
81
81
81
81
80
80
80

Pressure (mb)

1023
1023
1023
1023
1023
1022
1021
1021
1020
1020
1019
1019
1019
1018
1018
1017
1016
1016
1015
1014
1014
1013
1012
1011

Ozone (du)

274
274
275
276
270
256
250
253
259
265
269
274
277
274
275
275
276
274
274
276
278
279
279
273

Sunday 23

Waxing Crescent 10%

11:52

18:03

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:13, Set: 16:26, Transit: 12:20. Moon - Rise: 11:52, Set: 18:03. Civil Dark: 17:06 - 07:33. Nautical Dark: 17:50 - 06:51. Astro Dark: 18:31 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
99
97
96
97
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
30
20
32
45
63
67
74
81
87
94
100
100
100
100
100
100
100
100
100
100
100
100
88

Medium Clouds (% Sky Obscured)

52
45
45
42
40
86
47
97
59
47
42
79
74
70
66
63
67
55
35
38
90
91
92
92

High Clouds (% Sky Obscured)

91
77
99
80
59
39
32
25
18
37
56
74
50
27
4
3
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
2
9
9
9
9
9
9
9
9
9
0
1
0
0
0
5
5
0
0
1
3
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

15
4
1
3
4
5
15
23
26
38
49
57
69
62
72
51
21
24
31
95
95
69
50
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.2
0.1
0.3
0.2
0.5
0.2
0
0
0
0.8
1.2
0.3
0
0

Wind Speed/Direction (mph)

14
14
14
14
15
15
15
15
16
15
16
15
15
15
15
15
14
13
12
12
12
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
92
91
84
84
77
77
73
73
78
88
96
92
96
98
98
96
98
100
100
100
98
94
94

Pressure (mb)

1010
1010
1009
1008
1007
1006
1005
1003
1002
1001
1000
1000
999
998
997
996
995
995
994
993
993
992
992
992

Ozone (du)

267
269
272
273
273
273
274
276
274
272
273
275
276
274
275
280
285
287
290
292
291
292
294
296

Monday 24

Waxing Crescent 16%

12:27

19:14

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:15, Set: 16:25, Transit: 12:20. Moon - Rise: 12:27, Set: 19:14. Civil Dark: 17:05 - 07:35. Nautical Dark: 17:49 - 06:53. Astro Dark: 18:31 - 06:11

Total Clouds (% Sky Obscured)

100
99
100
100
99
99
99
99
99
98
98
91
87
85
82
74
64
46
48
50
56
56
61
63

Low Clouds (% Sky Obscured)

97
98
99
87
91
98
97
96
96
94
93
81
70
68
65
41
32
26
28
34
40
40
40
41

Medium Clouds (% Sky Obscured)

89
78
82
76
69
48
53
82
94
93
78
78
71
67
65
51
37
23
23
22
28
44
50
49

High Clouds (% Sky Obscured)

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

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 (%)

22
21
18
19
20
23
28
29
29
31
31
32
9
12
13
15
16
16
14
13
12
12
12
6

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
11
10
10
10
10
10
10
9
8
8
8
8
9
9
9
9
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
96
94
94
94
94
96
96
96
98
98
98
98
96
96
96
94
94
94
94
94

Pressure (mb)

992
992
992
993
993
993
993
994
994
995
995
996
996
998
999
999
1000
1000
1000
1001
1002
1002
1003
1004

Ozone (du)

297
296
296
297
298
298
300
299
298
298
299
299
300
300
301
301
304
306
308
307
307
306
307
308

Tuesday 25

Waxing Crescent 25%

12:52

20:32

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:16, Set: 16:24, Transit: 12:20. Moon - Rise: 12:52, Set: 20:32. Civil Dark: 17:05 - 07:36. Nautical Dark: 17:48 - 06:54. Astro Dark: 18:30 - 06:12

Total Clouds (% Sky Obscured)

77
85
93
94
94
95
97
98
100
92
84
76
70
67
64
62
61
59
62
64
64
60
58
56

Low Clouds (% Sky Obscured)

51
53
52
57
58
57
67
76
89
83
74
63
57
56
53
52
48
47
53
59
64
60
58
56

Medium Clouds (% Sky Obscured)

50
57
67
74
80
87
83
79
75
57
39
22
17
10
2
2
1
0
6
13
18
12
6
0

High Clouds (% Sky Obscured)

24
38
46
24
15
10
5
0
0
0
0
0
4
4
5
4
3
2
1
1
1
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
17
17
23
26
30
27
26
26
27
24
21
17
12
0
3
4
2
4
9
7
16
24
25

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
89
88
84
82
77
82
85
91
86
83
79
79
79
76
77
78
78
78
80
80
83
86

Pressure (mb)

1004
1005
1006
1007
1008
1008
1009
1009
1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

309
309
310
310
306
301
297
296
296
295
297
299
302
305
309
313
318
323
328
326
324
322
319
315

Wednesday 26

Waxing Crescent 34%

13:10

21:53

07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:18, Set: 16:23, Transit: 12:21. Moon - Rise: 13:10, Set: 21:53. Civil Dark: 17:04 - 07:38. Nautical Dark: 17:48 - 06:55. Astro Dark: 18:29 - 06:14

Total Clouds (% Sky Obscured)

58
59
61
49
37
25
28
28
29
42
61
86
92
92
87
86
85
85

Low Clouds (% Sky Obscured)

58
59
61
49
36
23
19
12
6
16
27
39
38
38
37
34
31
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
5
11
16
27
42
50
39
33
32
30
24
22

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
30
60
86
74
56
42
38
34
33

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 (%)

18
13
8
9
9
5
8
8
4
8
9
7
11
11
7
7
5
2

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)

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

Chance of Frost

Temperature (°C)

3
3
3
3
4
5
6
5
4
4
3
3
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
89
89
86
85
82
83
88
89
91
91
93
93
94
93
93
93

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1021
1021
1021
1020

Ozone (du)

312
309
305
302
300
298
295
293
292
290
288
287
286
285
283
281
281
281

Forecast for Groningen, Gemeente Groningen, Netherlands (53.22,6.57)

Generated: 20/11/25 07:50:20. Forecast: 20/11/25 to 26/11/25. Timezone: UTC+1.00