Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 1%

07:35

15:25

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:09, Set: 16:42, Transit: 12:25. Moon - Rise: 07:35, Set: 15:25. Civil Dark: 17:20 - 07:31. Nautical Dark: 18:02 - 06:48. Astro Dark: 18:42 - 06:08

Total Clouds (% Sky Obscured)

73
63
52
27
48
90
100
100
100
93
95
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
34
44
10
19
49
5
31
48
92
90
88
90
83
76
80
90
83
79
75
84
100
89
63

Medium Clouds (% Sky Obscured)

50
48
14
4
17
44
84
100
100
63
95
99
99
86
100
100
100
92
100
100
100
100
100
100

High Clouds (% Sky Obscured)

15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
8
9
9
9
8
9
9
9
9
9
6
0
0
5
9
4
3
9
6
8
9
8

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

Precipitation Probability (%)

5
5
40
28
25
21
20
20
25
57
84
87
86
67
66
59
71
63
66
64
72
95
93
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.6
0.5
0.5
0.2
0
0
0
0
0
0
0
1
0.8
0.3

Wind Speed/Direction (mph)

14
14
14
14
13
10
9
7
6
7
7
9
14
12
13
13
13
15
13
11
11
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
66
66
64
66
68
71
71
73
72
77
80
89
96
96
94
91
94
94
93
91
91
90
82

Pressure (mb)

1016
1015
1014
1013
1012
1012
1011
1011
1010
1010
1009
1008
1007
1006
1005
1004
1003
1003
1002
1001
1001
1001
1001
1002

Ozone (du)

293
293
290
288
286
287
290
297
296
296
293
295
298
297
296
296
301
303
304
304
299
304
315
323

Wednesday 19

Waning Crescent 1%

08:49

15:41

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:11, Set: 16:40, Transit: 12:25. Moon - Rise: 08:49, Set: 15:41. Civil Dark: 17:19 - 07:32. Nautical Dark: 18:01 - 06:50. Astro Dark: 18:42 - 06:09

Total Clouds (% Sky Obscured)

100
95
73
86
100
100
100
100
43
61
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
48
41
34
51
53
42
36
23
12
8
9
10
33
38
35
38
38
14
30
54
34
49
46

Medium Clouds (% Sky Obscured)

100
90
60
78
100
100
100
85
7
34
100
83
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
9
18
15
10
5
0
0
2
95
65
3
26
7
10
0
3
7
0
0

ISS Passover

Visibility (miles)

7
6
7
2
7
9
6
6
7
8
9
8
7
5
5
5
4
5
4
5
5
8
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

51
44
50
45
42
37
39
29
25
14
28
33
42
50
56
58
54
59
57
57
42
36
39
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.2
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

11
12
10
10
15
14
14
14
12
11
9
10
10
9
8
6
6
6
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
85
81
87
91
83
79
73
67
65
66
70
74
76
79
83
83
81
80
80
79
76
73
68

Pressure (mb)

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

Ozone (du)

324
323
322
320
320
326
329
329
330
324
319
321
321
326
324
318
318
318
320
317
314
312
310
311

Thursday 20

New Moon 0%

10:00

16:03

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:12, Set: 16:39, Transit: 12:25. Moon - Rise: 10:00, Set: 16:03. Civil Dark: 17:18 - 07:34. Nautical Dark: 18:00 - 06:51. Astro Dark: 18:41 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
90
100
100
100
98
10
75
80
79
75
59
51
84
87
83
78
73
69
63
57

Low Clouds (% Sky Obscured)

39
30
50
38
43
42
41
37
15
10
15
15
43
63
55
51
59
56
63
62
64
62
52
42

Medium Clouds (% Sky Obscured)

100
100
100
100
88
97
100
100
98
10
75
80
79
55
26
7
66
72
60
60
60
50
45
45

High Clouds (% Sky Obscured)

18
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
4

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
13
13
14
21
19
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

40
50
52
41
46
57
60
58
65
59
56
47
37
26
17
2
7
6
9
11
27
37
19
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
63
61
65
66
72
74
77
78
78
78
78
80
80
78
77
77
77
78
77
79
80
79
76

Pressure (mb)

1009
1009
1010
1010
1011
1011
1012
1012
1013
1014
1015
1015
1016
1016
1016
1017
1018
1018
1019
1019
1020
1021
1021
1022

Ozone (du)

309
311
313
319
321
321
323
323
325
327
327
328
326
323
323
330
331
325
321
316
315
318
318
315

Friday 21

Waxing Crescent 2%

11:02

16:34

12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
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

Sun - Rise: 08:14, Set: 16:38, Transit: 12:25. Moon - Rise: 11:02, Set: 16:34. Civil Dark: 17:17 - 07:35. Nautical Dark: 17:59 - 06:53. Astro Dark: 18:40 - 06:12

Total Clouds (% Sky Obscured)

54
44
37
30
29
29
33
25
23
15
25
39
54
55
56
57
71
86
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

37
28
20
11
11
15
15
10
17
15
25
39
54
49
44
45
37
29
25
20
19
19
19
25

Medium Clouds (% Sky Obscured)

50
44
37
30
29
29
33
25
23
15
25
39
45
44
40
40
46
51
61
75
88
100
100
100

High Clouds (% Sky Obscured)

3
6
27
3
0
1
2
1
1
4
0
0
0
4
8
11
41
72
100
100
100
100
99
99

ISS Passover

Visibility (miles)

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

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

43
52
50
32
21
11
8
10
12
13
55
85
53
8
0
0
0
1
4
3
10
24
47
63

Precipitation Amount (mm)

0
0.3
0.2
0
0
0
0
0
0
0
0.3
1
0.2
0
0
0
0
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

5
4
4
3
2
2
3
4
4
5
6
6
6
6
8
8
8
9
10
12
11
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
71
72
73
75
76
76
79
79
82
89
93
82
72
76
78
80
80
78
81
83
88
91

Pressure (mb)

1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018

Ozone (du)

314
314
314
315
315
312
308
303
301
298
295
293
292
293
293
288
284
285
284
281
279
273
264
261

Saturday 22

Waxing Crescent 5%

11:51

17:18

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:16, Set: 16:37, Transit: 12:26. Moon - Rise: 11:51, Set: 17:18. Civil Dark: 17:16 - 07:37. Nautical Dark: 17:58 - 06:54. Astro Dark: 18:39 - 06:13

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
98
96
92
91
93
97
100
100
100
100
99
98
97
96
95
94
96
97

Low Clouds (% Sky Obscured)

25
23
17
15
15
15
15
15
15
15
15
15
15
5
0
0
14
28
42
55
68
81
82
84

Medium Clouds (% Sky Obscured)

100
100
100
100
97
82
97
95
92
91
93
97
100
100
100
100
99
98
97
89
79
72
67
60

High Clouds (% Sky Obscured)

98
98
99
100
89
78
67
64
60
57
71
86
100
94
87
81
69
57
45
30
15
0
0
3

ISS Passover

Visibility (miles)

7
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
8

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

Very Light Rain
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 (%)

47
38
28
25
25
22
17
15
19
34
42
35
25
30
30
25
23
24
18
16
20
19
34
42

Precipitation Amount (mm)

0.2
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)

14
14
14
14
14
14
13
13
12
11
10
10
10
10
10
9
9
9
10
10
10
10
10
8

Chance of Frost

Temperature (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
3
3
3
4

Feels Like (°C)

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

Dew Point (°C)

2
2
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

91
94
94
96
96
98
96
96
96
96
96
96
98
98
98
98
98
98
98
98
96
96
94
89

Pressure (mb)

1017
1016
1015
1015
1014
1014
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008

Ozone (du)

264
269
272
274
277
278
280
282
284
286
286
285
285
285
285
285
285
284
284
283
281
279
277
277

Sunday 23

Waxing Crescent 10%

No Rise

18:16

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 08:17, Set: 16:36, Transit: 12:26. Moon - Rise: No Rise, Set: 18:16. Civil Dark: 17:15 - 07:38. Nautical Dark: 17:57 - 06:56. Astro Dark: 18:38 - 06:15

Total Clouds (% Sky Obscured)

97
95
94
94
84
75
69
71
74
77
87
88
92
94
97
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
78
72
66
68
66
63
66
68
72
82
86
86
90
95
100
95
91
86
85
85
84
80
76

Medium Clouds (% Sky Obscured)

54
67
78
87
71
58
47
47
39
32
19
12
6
25
45
64
61
60
60
73
85
100
99
99

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
7
15
17
20
12
5
33
67
100
100
100
100
100
100

ISS Passover

Visibility (miles)

7
5
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
8

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

46
54
51
43
48
51
51
46
37
21
22
20
17
23
25
22
27
28
19
20
22
20
29
33

Precipitation Amount (mm)

0
0.3
0.2
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
9
9
10
10
10
10
10
10
10
10
10
10
9
9
9
10
9
9
9
10
11
12
12

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
4
4
4
4
4
4
4
5
5
5
5
4
4
4
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
79
79
80
80
82
85
86
86
88
89
89
93
94
93
93
91
91
93
93
93
94
96
94

Pressure (mb)

1007
1007
1007
1007
1006
1006
1006
1006
1006
1005
1005
1005
1004
1004
1003
1003
1002
1001
1001
1000
999
998
998
997

Ozone (du)

278
278
280
281
283
282
281
280
284
287
290
289
287
286
284
282
280
279
278
277
277
276
276
277

Monday 24

Waxing Crescent 16%

12:28

19:26

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: 08:19, Set: 16:35, Transit: 12:26. Moon - Rise: 12:28, Set: 19:26. Civil Dark: 17:14 - 07:40. Nautical Dark: 17:57 - 06:57. Astro Dark: 18:37 - 06:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
97

Low Clouds (% Sky Obscured)

71
79
90
100
99
98
97
98
99
100
99
98
97
94
91
89
80
73
65

Medium Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
83
75

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
94
90
89
86
83
80
69
61
57

ISS Passover

Visibility (miles)

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

Fog (%)

13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

Precipitation Type

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

Precipitation Probability (%)

33
61
85
95
95
95
95
95
95
95
95
95
95
95
95
90
69
51
30

Precipitation Amount (mm)

0
0.2
0.5
0.8
0.8
1
0.9
1
1
1
1.1
1.1
1.1
0.8
0.7
0.6
0.3
0
0

Wind Speed/Direction (mph)

13
14
15
16
17
18
18
19
19
19
18
17
15
14
14
13
13
13
13

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
6
6
5
5

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4

Relative Humidity (%)

93
91
93
91
91
93
91
93
91
91
91
91
93
94
91
91
88
90
91

Pressure (mb)

996
994
994
993
992
992
991
991
991
991
991
991
992
992
993
994
995
995
996

Ozone (du)

277
278
279
281
282
285
287
290
291
293
295
298
301
304
304
304
304
302
299

Forecast for Katwoude, Gemeente Waterland, Netherlands (52.47,5.07)

Generated: 18/11/25 12:07:51. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+1.00