Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 6

Waxing Crescent 36%

11:47

23:50

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: 08:46, Set: 16:47, Transit: 12:47. Moon - Rise: 11:47, Set: 23:50. Civil Dark: 17:26 - 08:06. Nautical Dark: 18:09 - 07:24. Astro Dark: 18:50 - 06:43

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
89
100

Low Clouds (% Sky Obscured)

90
92
96
100
94
87
84
89
79
72
84
78
70
68
77
69
64
55
55
51
56
79
81
57

Medium Clouds (% Sky Obscured)

100
99
100
100
98
100
100
94
100
94
100
100
100
100
86
30
23
54
83
85
100
100
61
40

High 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
2
91

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

100
100
100
100
100
100
100
100
0
0
100
100
100
100
0
0
0
0
0
4
6
7
10
59

Precipitation Amount (mm)

2.3
2.2
2.1
1
0.7
0.8
0.7
0.7
0
0
0.2
0.5
0.6
1
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

14
11
15
17
22
22
21
22
21
22
19
18
19
20
22
20
16
18
17
22
22
23
24
25

Chance of Frost

Temperature (°C)

2
4
7
11
11
11
11
11
11
11
11
11
10
11
11
11
11
11
10
10
10
10
10
11

Feels Like (°C)

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

Dew Point (°C)

1
2
6
10
10
10
10
10
10
10
9
9
9
9
9
8
8
8
8
7
7
6
6
6

Relative Humidity (%)

94
90
96
91
93
93
94
93
92
90
91
91
91
88
86
85
84
83
83
81
80
77
76
73

Pressure (mb)

991
990
989
988
988
988
988
988
988
988
988
987
987
985
985
984
985
984
983
983
982
982
981
980

Ozone (du)

257
258
256
254
252
252
250
250
255
262
269
273
276
278
280
280
277
273
275
275
280
289
299
302

Tuesday 7

First Quarter 47%

12:00

01:15

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: 08:46, Set: 16:48, Transit: 12:47. Moon - Rise: 12:00, Set: 01:15. Civil Dark: 17:27 - 08:06. Nautical Dark: 18:10 - 07:23. Astro Dark: 18:51 - 06:43

Total Clouds (% Sky Obscured)

100
100
100
100
93
88
78
68
51
96
100
100
100
100
100
85
100
100
98
100
91
81
78
65

Low Clouds (% Sky Obscured)

88
100
100
100
86
77
67
68
51
45
56
66
73
74
82
55
67
61
87
67
61
74
58
53

Medium Clouds (% Sky Obscured)

97
66
55
45
37
22
11
0
0
94
100
100
100
100
100
70
100
100
92
100
72
51
42
13

High Clouds (% Sky Obscured)

89
100
20
8
3
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
9
6
9
4
2
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

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

Precipitation Probability (%)

62
80
44
54
49
38
15
12
5
9
34
46
54
66
39
27
27
14
6
18
3
4
8
23

Precipitation Amount (mm)

0.2
0.5
0
0.2
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

25
27
30
31
28
26
25
22
20
19
17
17
17
17
13
14
14
14
14
15
15
16
16
17

Chance of Frost

Temperature (°C)

11
11
10
7
6
6
5
5
5
5
5
5
5
4
4
4
5
4
4
4
3
3
3
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
72
83
82
86
82
76
72
70
76
79
83
88
91
83
79
75
75
72
72
75
77
77
75

Pressure (mb)

979
977
978
981
984
986
988
990
991
992
992
993
993
993
993
994
994
995
995
996
997
997
998
998

Ozone (du)

300
298
291
303
305
309
315
319
333
333
331
337
343
346
355
360
367
379
385
389
393
391
391
389

Wednesday 8

Waxing Gibbous 59%

12:00

02:42

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: 08:45, Set: 16:49, Transit: 12:47. Moon - Rise: 12:00, Set: 02:42. Civil Dark: 17:29 - 08:06. Nautical Dark: 18:11 - 07:23. Astro Dark: 18:52 - 06:42

Total Clouds (% Sky Obscured)

87
62
60
66
64
97
79
61
43
38
55
56
63
61
56
50
56
81
79
79
68
96
100
100

Low Clouds (% Sky Obscured)

75
55
59
63
64
76
65
36
33
31
51
56
63
61
56
50
56
64
73
70
68
67
50
42

Medium Clouds (% Sky Obscured)

41
26
22
30
7
92
44
42
30
30
33
17
0
0
0
0
0
5
6
11
0
48
55
87

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
35
0
0
0
64
100
100

ISS Passover

Visibility (miles)

7
9
9
9
9
9
0
0
1
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
Sleet
Very Light Rain
None
None
Light Rain
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
54
52
37
35
94
95
30
5
11
27
18
16
2
5
6
9
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.3
0.2
0
0
0.7
1.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
19
18
18
16
12
12
10
11
11
12
13
13
13
13
12
12
11
10
10
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
72
67
66
73
79
98
100
96
82
77
83
85
86
84
81
80
78
83
86
86
88
88
86

Pressure (mb)

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

Ozone (du)

384
377
371
363
356
346
344
353
357
356
357
361
365
366
369
370
356
347
337
334
334
342
347
342

Thursday 9

Waxing Gibbous 70%

12:15

04:11

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: 08:45, Set: 16:51, Transit: 12:48. Moon - Rise: 12:15, Set: 04:11. Civil Dark: 17:30 - 08:05. Nautical Dark: 18:13 - 07:23. Astro Dark: 18:53 - 06:42

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

43
34
27
0
0
27
10
0
24
44
28
0
40
60
80
100
99
98
97
92
87
81
75
70

Medium Clouds (% Sky Obscured)

100
100
100
100
100
97
96
95
96
97
100
100
100
100
97
100
100
100
100
100
100
100
99
97

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
76
30
24
100
100
100
86
90
100
63
55
58
67
50
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
0
0
0
1
2
9
9
9
9
9
9
9
9
1
0

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

Precipitation Probability (%)

0
0
0
0
3
6
28
54
88
95
65
34
23
29
42
45
49
46
47
50
52
67
63
71

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.5
0.6
0.2
0
0
0
0
0
0
0
0.1
0.1
0.1
0.3
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-1
-1
-1
-1
-1
-2
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-2
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
88
88
88
86
89
96
98
100
100
98
98
98
96
94
96
94
94
93
93
96
98

Pressure (mb)

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

Ozone (du)

346
347
341
333
333
334
333
329
334
346
351
354
362
366
364
363
361
367
369
363
363
364
374
384

Friday 10

Waxing Gibbous 80%

12:35

05:41

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: 08:44, Set: 16:52, Transit: 12:48. Moon - Rise: 12:35, Set: 05:41. Civil Dark: 17:31 - 08:05. Nautical Dark: 18:14 - 07:22. Astro Dark: 18:54 - 06:42

Total Clouds (% Sky Obscured)

97
88
76
56
65
70
72
69
71
80
84
79
80
79
78
77
77
75
67
67
60
68
62
67

Low Clouds (% Sky Obscured)

65
60
56
51
58
65
72
68
65
62
61
60
58
55
52
49
57
63
66
66
60
68
60
57

Medium Clouds (% Sky Obscured)

96
88
67
14
16
20
20
22
28
34
53
33
31
33
33
34
21
10
2
12
3
2
5
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

ISS Passover

Visibility (miles)

0
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

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 (%)

63
33
21
13
16
14
15
17
19
19
25
23
12
22
23
19
24
19
27
22
13
6
22
28

Precipitation Amount (mm)

0.3
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
13
14
15
13
13
12
12
12
13
14
13
13
13
12
12
12
11
10
9
8
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
89
66
63
66
64
67
72
73
74
76
76
74
76
79
77
79
82
83
85
89
89
88
86

Pressure (mb)

1002
1003
1004
1005
1006
1008
1009
1010
1011
1012
1013
1013
1014
1015
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020

Ozone (du)

384
377
372
373
374
376
381
383
378
372
366
364
359
352
341
337
334
331
329
327
327
325
328
328

Saturday 11

Waxing Gibbous 89%

13:03

07:04

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: 08:43, Set: 16:53, Transit: 12:49. Moon - Rise: 13:03, Set: 07:04. Civil Dark: 17:33 - 08:04. Nautical Dark: 18:15 - 07:22. Astro Dark: 18:55 - 06:41

Total Clouds (% Sky Obscured)

67
59
52
44
52
59
65
49
43
40
44
47
51
54
55
56
53
51
49
52
54
56
58
59

Low Clouds (% Sky Obscured)

51
45
41
35
40
46
51
41
35
30
36
42
41
42
45
47
44
42
40
45
50
56
48
40

Medium Clouds (% Sky Obscured)

22
53
47
38
29
42
45
49
43
40
44
40
26
17
10
1
1
2
2
1
0
0
4
8

High Clouds (% Sky Obscured)

5
4
10
10
5
0
5
8
6
4
7
8
12
8
6
2
3
3
4
3
2
1
6
12

ISS Passover

Visibility (miles)

7
7
8
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 (%)

34
30
21
10
13
4
0
6
7
3
5
7
2
4
5
2
13
17
11
18
24
31
26
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
76
76
80
86
91
91
89
89
89
88
88
86
86
84
86
84
83
81
80
81
81
82
79

Pressure (mb)

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

Ozone (du)

327
325
325
326
329
329
329
330
327
325
323
323
324
325
327
329
332
335
337
340
342
343
345
345

Sunday 12

Waxing Gibbous 95%

13:45

08:13

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

Sun - Rise: 08:42, Set: 16:55, Transit: 12:49. Moon - Rise: 13:45, Set: 08:13. Civil Dark: 17:34 - 08:04. Nautical Dark: 18:16 - 07:21. Astro Dark: 18:57 - 06:41

Total Clouds (% Sky Obscured)

49
38
27
22
22
26
33
34
35
33
37
39
42
48
54
60
60
67
71
71
71
70
73
76

Low Clouds (% Sky Obscured)

29
21
17
14
17
17
24
26
25
27
31
35
40
48
54
60
60
67
69
69
68
67
71
76

Medium Clouds (% Sky Obscured)

11
8
5
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

17
12
7
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
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
10
11
0
3
6
3
2
2
1
5
4
1
6
6
8
9
6
4
10
7
2
8
7

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)

6
8
7
7
6
5
5
5
5
6
6
6
6
6
6
5
6
6
6
6
6
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
76
79
79
80
82
80
80
80
80
78
78
77
80
82
83
83
80
79
81
81
83
82

Pressure (mb)

1027
1028
1028
1029
1029
1030
1030
1031
1032
1032
1033
1033
1033
1034
1034
1035
1035
1035
1036
1036
1037
1037
1038
1038

Ozone (du)

346
346
346
346
345
345
344
344
343
343
342
341
341
340
339
339
338
340
342
344
345
345
346
342

Forecast for Sterrenburg, Gemeente Dordrecht, Netherlands (51.78,4.67)

Generated: 06/01/25 04:08:47. Forecast: 06/01/25 to 12/01/25. Timezone: UTC+1.00