Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 1%

07:27

15:37

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 08:02, Set: 16:36, Transit: 12:19. Moon - Rise: 07:27, Set: 15:37. Civil Dark: 17:14 - 07:24. Nautical Dark: 17:56 - 06:42. Astro Dark: 18:37 - 06:02

Total Clouds (% Sky Obscured)

82
84
81
90
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
100
100

Low Clouds (% Sky Obscured)

82
76
81
89
79
93
93
100
100
93
92
99
97
100
99
94
93
93
93
94
98
67
53
44

Medium Clouds (% Sky Obscured)

42
27
50
90
62
77
93
95
100
100
100
100
100
99
91
100
100
100
100
100
100
95
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
1
5
43
63
33
24
25
8
18
6
0
0
5
0
0
0
12
32
54

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
7
3
9
5
4
4
6
4
3
5
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
3
3
23
25
27
21
27
57
93
83
67
76
68
90
93
95
95
95
92
70
38
20
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.9
0.6
0.3
0.5
0.3
0.8
0.7
1.6
1.2
0.7
0.9
0.4
0
0
0

Wind Speed/Direction (mph)

7
7
8
8
11
12
13
12
13
13
12
12
12
12
12
10
11
9
7
6
9
12
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
88
91
89
91
93
86
93
93
91
94
93
91
94
93
93
93
94
96
94
88
83
85
88

Pressure (mb)

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

Ozone (du)

296
294
293
295
295
294
292
292
296
301
297
296
294
301
312
321
326
324
320
318
314
313
319
322

Wednesday 19

Waning Crescent 0%

08:41

15:59

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 08:04, Set: 16:35, Transit: 12:20. Moon - Rise: 08:41, Set: 15:59. Civil Dark: 17:13 - 07:26. Nautical Dark: 17:55 - 06:44. Astro Dark: 18:36 - 06:04

Total Clouds (% Sky Obscured)

100
83
100
99
80
60
69
69
52
53
74
91
49
64
75
80
83
91
91
100
80
81
60
58

Low Clouds (% Sky Obscured)

40
34
32
34
32
27
38
28
24
28
53
65
49
34
43
32
34
34
29
30
27
27
32
39

Medium Clouds (% Sky Obscured)

100
81
94
73
45
36
60
28
45
52
61
63
32
64
50
67
69
82
86
100
68
81
60
58

High Clouds (% Sky Obscured)

21
38
81
52
35
21
25
18
1
0
0
0
1
1
1
1
3
1
1
11
6
1
5
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
8
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 (%)

3
2
5
0
0
0
0
0
0
1
1
0
0
0
0
10
28
27
23
24
33
24
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)

7
6
6
6
5
5
4
2
1
2
3
4
4
5
6
7
7
7
5
4
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
86
84
81
81
80
77
78
78
78
80
77
74
75
73
73
78
85
88
88
88
88

Pressure (mb)

1002
1003
1003
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1012

Ozone (du)

324
325
325
325
321
319
319
318
317
320
320
319
319
317
317
317
317
318
323
329
335
336
337
337

Thursday 20

New Moon 2%

09:52

16:31

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 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Good
16 Good
17 Good
18 Good
19 Good
20 OK

Sun - Rise: 08:06, Set: 16:34, Transit: 12:20. Moon - Rise: 09:52, Set: 16:31. Civil Dark: 17:12 - 07:27. Nautical Dark: 17:54 - 06:45. Astro Dark: 18:35 - 06:05

Total Clouds (% Sky Obscured)

69
81
68
62
72
62
53
68
68
62
54
81
64
40
39
48
53
38
1
0
1
2
6
17

Low Clouds (% Sky Obscured)

53
40
40
36
44
38
33
46
46
48
41
62
52
34
35
38
53
37
1
0
0
0
2
7

Medium Clouds (% Sky Obscured)

61
52
26
8
9
12
2
2
2
1
0
0
1
1
1
11
25
9
0
0
1
2
2
17

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Fog (%)

0
58
98
95
100
100
100
100
100
100
99
85
98
95
71
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

26
20
13
13
7
1
19
3
3
2
2
0
0
3
11
33
28
2
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
92
94
94
94
92
92
92
92
91
89
86
78
72
65
72
88
83
86
88
88
89
87

Pressure (mb)

1012
1013
1014
1014
1014
1015
1016
1016
1017
1017
1018
1019
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024

Ozone (du)

338
337
334
328
326
327
325
325
327
328
328
327
327
324
324
327
326
325
322
320
317
314
308
304

Friday 21

Waxing Crescent 5%

10:54

17:15

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

Sun - Rise: 08:07, Set: 16:33, Transit: 12:20. Moon - Rise: 10:54, Set: 17:15. Civil Dark: 17:11 - 07:29. Nautical Dark: 17:54 - 06:47. Astro Dark: 18:34 - 06:06

Total Clouds (% Sky Obscured)

19
19
20
20
15
14
15
18
22
29
36
47
59
60
63
65
42
21
5
5
10
8
13
20

Low Clouds (% Sky Obscured)

13
3
0
0
0
0
5
7
17
29
25
35
42
44
50
54
42
21
5
5
2
2
2
2

Medium Clouds (% Sky Obscured)

19
19
20
20
15
14
15
18
22
29
36
47
59
60
63
65
42
21
5
5
10
8
6
20

High Clouds (% Sky Obscured)

2
2
2
5
4
3
12
15
19
25
15
10
5
5
5
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 (%)

0
0
0
0
0
0
0
5
21
3
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)

5
5
6
6
6
7
8
8
8
7
7
9
9
9
10
10
10
10
10
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
84
83
84
84
87
87
92
96
96
96
94
88
83
80
77
77
80
80
81
86
87
86

Pressure (mb)

1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1018

Ozone (du)

300
299
298
297
297
296
293
289
287
285
283
283
279
269
264
268
274
280
285
293
294
292
295
296

Saturday 22

Waxing Crescent 10%

11:43

18:13

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

Sun - Rise: 08:09, Set: 16:32, Transit: 12:20. Moon - Rise: 11:43, Set: 18:13. Civil Dark: 17:11 - 07:30. Nautical Dark: 17:53 - 06:48. Astro Dark: 18:33 - 06:08

Total Clouds (% Sky Obscured)

25
25
25
25
53
77
100
77
53
34
50
72
91
72
53
35
57
78
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

6
23
23
25
29
29
29
5
6
24
38
39
40
40
32
33
33
33
32
33
33
19
43
67

Medium Clouds (% Sky Obscured)

17
25
25
25
38
65
70
70
53
34
50
72
81
72
53
35
57
78
100
100
100
100
99
98

High Clouds (% Sky Obscured)

5
7
15
10
43
70
100
70
33
1
24
41
64
44
29
11
37
69
100
100
100
100
67
33

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

0
0
0
1
0
0
0
1
0
0
0
0
0
0
0
0
1
1
2
10
18
21
34
44

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
0.1

Wind Speed/Direction (mph)

9
9
8
8
8
8
8
8
8
7
8
8
8
8
9
10
10
10
10
9
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
81
81
80
78
78
78
75
77
74
70
69
65
63
61
61
62
63
65
74
86
98
98

Pressure (mb)

1018
1018
1017
1017
1016
1015
1015
1014
1014
1013
1013
1012
1012
1011
1010
1009
1008
1008
1007
1006
1005
1005
1004
1004

Ozone (du)

298
296
295
292
286
281
280
280
280
280
281
282
282
279
279
280
281
282
282
283
285
286
288
288

Sunday 23

Waxing Crescent 16%

12:20

19:22

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 08:11, Set: 16:31, Transit: 12:21. Moon - Rise: 12:20, Set: 19:22. Civil Dark: 17:10 - 07:32. Nautical Dark: 17:52 - 06:49. Astro Dark: 18:32 - 06:09

Total Clouds (% Sky Obscured)

97
97
96
96
98
99
100
100
100
100
93
86
76
84
92
100
98
97
95
97
98
99
99
99

Low Clouds (% Sky Obscured)

91
92
94
95
97
99
100
100
100
100
87
74
62
50
39
28
33
41
44
46
42
47
48
48

Medium Clouds (% Sky Obscured)

97
97
96
96
84
72
62
43
23
3
14
24
35
45
55
61
66
67
72
77
82
84
84
90

High Clouds (% Sky Obscured)

4
3
2
0
0
0
0
30
60
95
70
49
26
51
75
100
98
97
95
97
98
99
99
99

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
3
5
8
8
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

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

Precipitation Probability (%)

48
59
64
62
57
45
28
20
11
3
4
3
0
0
0
0
1
2
1
6
7
8
28
35

Precipitation Amount (mm)

0.1
0.2
0.3
0.3
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
100
98
98
98
98
98
98
98
96
94
93
89
88
89
91
94
94
93
94
94

Pressure (mb)

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

Ozone (du)

289
289
290
291
292
292
291
291
293
294
295
295
295
295
294
294
294
295
296
297
298
298
298
297

Monday 24

Waxing Crescent 25%

12:46

20:38

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
17 Bad
18 Bad

Sun - Rise: 08:12, Set: 16:30, Transit: 12:21. Moon - Rise: 12:46, Set: 20:38. Civil Dark: 17:09 - 07:33. Nautical Dark: 17:51 - 06:51. Astro Dark: 18:32 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
95
93
87
83
77
81
84
87
72
58
46

Low Clouds (% Sky Obscured)

52
62
73
83
87
90
93
93
93
93
80
67
54
46
38
35
47
63
80
67
53
40

Medium Clouds (% Sky Obscured)

98
98
99
100
100
100
100
100
100
100
98
95
93
83
70
57
45
35
26
21
13
5

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
83
71
57
56
56
70
49
30
8
6
3
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
7
8
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

Precipitation Type

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

Precipitation Probability (%)

35
37
36
36
32
27
20
19
16
12
13
12
9
7
4
0
2
1
0
0
0
0

Precipitation Amount (mm)

0.1
0
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
10
10
11
12
12
12
12
12
12
11
10
10
10
9
9
9
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
94
94
93
93
94
93
91
91
88
84
80
80
80
80
80
80
80
86
89

Pressure (mb)

998
999
999
999
1000
1001
1001
1002
1003
1004
1005
1006
1007
1009
1009
1010
1010
1011
1012
1012
1013
1014

Ozone (du)

297
296
291
286
282
281
280
279
282
284
286
293
299
306
307
308
309
306
303
299
299
299

Forecast for Lochem, Gemeente Lochem, Netherlands (52.16,6.41)

Generated: 18/11/25 21:39:07. Forecast: 18/11/25 to 24/11/25. Timezone: UTC+1.00