Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 5

Full Moon 98%

16:12

09:37

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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

Sun - Rise: 08:26, Set: 16:23, Transit: 12:25. Moon - Rise: 16:12, Set: 09:37. Civil Dark: 17:03 - 07:46. Nautical Dark: 17:47 - 07:03. Astro Dark: 18:28 - 06:22

Total Clouds (% Sky Obscured)

100
100
99
98
97
97
78
86
91
60
35
50
67
55
39
49
100
89
100
100
100
100
98
100

Low Clouds (% Sky Obscured)

78
83
84
89
92
95
78
86
91
57
29
37
41
29
18
25
20
21
13
50
58
59
89
100

Medium Clouds (% Sky Obscured)

97
94
87
73
66
23
0
0
0
0
0
0
0
0
3
44
51
39
100
100
100
100
96
100

High Clouds (% Sky Obscured)

1
1
2
2
2
1
1
0
0
0
0
0
11
17
14
17
100
73
57
100
99
100
20
20

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
8
9

Fog (%)

0
0
0
0
0
47
100
97
68
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
Light Rain

Precipitation Probability (%)

7
6
0
7
7
2
0
0
0
0
0
0
0
0
0
0
0
0
1
4
2
28
55
84

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
0.5

Wind Speed/Direction (mph)

3
3
3
3
4
4
4
5
7
7
7
6
6
7
8
8
9
10
11
12
13
13
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
94
94
93
91
90
88
85
84
88
91
91
91
89
88
83
82
79
77
76
79
78

Pressure (mb)

1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1007
1006
1005
1004

Ozone (du)

316
317
319
323
328
333
336
338
339
341
350
344
339
338
335
331
325
322
317
310
306
301
300
302

Saturday 6

Waning Gibbous 93%

17:24

10:45

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:28, Set: 16:23, Transit: 12:25. Moon - Rise: 17:24, Set: 10:45. Civil Dark: 17:03 - 07:47. Nautical Dark: 17:46 - 07:04. Astro Dark: 18:27 - 06:23

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
93
97
96
95
94
100
100
100
100
100
100
93
95
94
86
87
93

Low Clouds (% Sky Obscured)

90
86
100
98
92
93
91
82
87
95
93
89
100
80
84
92
87
91
91
93
88
83
84
91

Medium Clouds (% Sky Obscured)

100
100
100
36
100
100
100
91
80
96
88
78
76
100
100
89
100
99
84
91
89
67
57
25

High Clouds (% Sky Obscured)

100
100
1
50
100
99
100
54
24
33
30
30
83
13
97
100
100
80
27
23
28
24
25
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

76
57
56
27
46
42
40
69
46
39
8
12
25
55
70
57
54
74
65
62
58
53
44
35

Precipitation Amount (mm)

0.4
0.3
0.4
0
0
0
0
0.5
0
0
0
0
0
0
0.2
0
0
0.4
0.2
0.2
0.2
0.2
0
0

Wind Speed/Direction (mph)

16
17
15
15
14
14
14
14
15
15
14
13
15
14
15
16
16
17
16
16
15
14
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
82
81
83
88
85
90
91
85
85
82
85
87
87
90
88
87
88
88
88
90
90
90

Pressure (mb)

1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1005

Ozone (du)

301
300
298
295
292
290
293
293
291
292
288
284
284
285
287
285
285
284
285
288
290
289
287
283

Sunday 7

Waning Gibbous 86%

18:51

11:31

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:29, Set: 16:22, Transit: 12:26. Moon - Rise: 18:51, Set: 11:31. Civil Dark: 17:03 - 07:49. Nautical Dark: 17:46 - 07:05. Astro Dark: 18:27 - 06:24

Total Clouds (% Sky Obscured)

90
88
86
83
83
86
97
96
99
95
99
100
100
100
100
100
100
100
100
100
96
93
89
86

Low Clouds (% Sky Obscured)

80
85
85
83
83
86
89
85
97
79
69
50
70
79
77
84
90
93
94
95
90
85
80
73

Medium Clouds (% Sky Obscured)

30
15
13
0
0
38
66
85
66
66
74
60
95
100
99
100
100
100
99
94
47
35
22
13

High Clouds (% Sky Obscured)

21
18
5
5
10
10
2
20
75
64
73
100
100
100
100
100
100
100
82
98
74
69
55
50

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
5
3
2
4
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

28
21
16
2
2
2
1
1
0
0
0
0
6
31
65
95
95
95
95
95
47
38
30
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
1.3
1.3
1.5
0.7
0
0
0
0

Wind Speed/Direction (mph)

13
13
14
13
12
12
12
12
12
11
10
8
8
9
10
11
13
13
14
14
16
18
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
6
7
7
7
8
7
7
7
7
8
8
8
9
9
9
10
10
10
11
10
10

Relative Humidity (%)

88
88
87
87
88
88
88
87
84
80
80
84
90
88
91
93
95
95
96
96
92
90
86
82

Pressure (mb)

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

Ozone (du)

281
278
275
274
279
281
280
279
277
277
276
274
273
276
278
276
276
277
281
286
292
295
296
298

Monday 8

Waning Gibbous 77%

20:21

12:01

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:30, Set: 16:22, Transit: 12:26. Moon - Rise: 20:21, Set: 12:01. Civil Dark: 17:02 - 07:50. Nautical Dark: 17:46 - 07:06. Astro Dark: 18:27 - 06:25

Total Clouds (% Sky Obscured)

83
81
85
91
98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
76
70
64
56
55
51
50
58
60
60
66
68
68
70
73
73
72
68
68
67
66
66
68

Medium Clouds (% Sky Obscured)

7
0
0
0
0
15
33
35
26
16
7
52
25
100
97
27
90
92
91
55
44
100
100
100

High Clouds (% Sky Obscured)

45
50
61
74
95
96
98
100
100
100
100
100
100
100
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
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
Very Light Rain
Light Rain

Precipitation Probability (%)

17
16
11
8
5
5
4
2
4
3
4
8
9
9
13
15
24
12
10
11
11
27
53
80

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
0.2
0.5

Wind Speed/Direction (mph)

17
16
15
15
15
13
13
14
14
13
12
12
12
12
11
11
11
12
10
10
9
9
9
10

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
80
83
87
87
85
86
87
87
89
89
92
92
90
92
93
93
93
92
93
95
96
96
96

Pressure (mb)

1005
1006
1006
1008
1009
1010
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

297
296
295
295
296
297
300
302
305
311
320
323
326
331
331
329
328
324
323
321
320
317
318
313

Tuesday 9

Waning Gibbous 74%

21:47

12:20

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:31, Set: 16:22, Transit: 12:26. Moon - Rise: 21:47, Set: 12:20. Civil Dark: 17:02 - 07:51. Nautical Dark: 17:46 - 07:07. Astro Dark: 18:27 - 06:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96
95
92
89
79
68
56
44

Low Clouds (% Sky Obscured)

69
72
78
85
92
85
79
73
68
62
57
60
60
59
84
70
56
53
43
32
32
31
30
25

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
97
100
92
84
76
61
45
33
27
32
31
26

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
69
39
13
20
26
31
23
18
12
12

ISS Passover

Visibility (miles)

8
6
9
8
8
7
6
4
4
4
7
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

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

Precipitation Probability (%)

85
62
62
71
79
95
95
95
95
95
94
73
74
79
58
47
29
19
10
0
2
2
1
6

Precipitation Amount (mm)

0.6
0.2
0.2
0.4
0.4
0.8
0.7
1.1
1
0.6
0.6
0.3
0.3
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
10
10
11
13
13
12
12
13
13
14
15
15
15
16
16
16
15
15
14
14
14
14

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
11
11
10

Feels Like (°C)

8
8
8
8
8
7
7
7
7
8
7
7
7
7
7
8
8
8
8
8
8
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
92
93
90
90
88
91
93
90
88
83
81
81
80
76
75
75
76
77
79
80
80

Pressure (mb)

1013
1013
1012
1012
1012
1012
1011
1011
1010
1009
1009
1008
1008
1008
1007
1006
1006
1005
1005
1005
1006
1006
1006
1007

Ozone (du)

310
307
306
304
301
297
294
291
287
284
285
285
284
285
285
284
284
283
282
282
281
280
278
276

Wednesday 10

Waning Gibbous 67%

23:08

12:35

05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
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

Sun - Rise: 08:32, Set: 16:22, Transit: 12:27. Moon - Rise: 23:08, Set: 12:35. Civil Dark: 17:02 - 07:52. Nautical Dark: 17:46 - 07:08. Astro Dark: 18:27 - 06:27

Total Clouds (% Sky Obscured)

33
21
21
21
22
32
40
45
50
56
58
67
80
93
89
82
74
66
60
59
66
71
74
71

Low Clouds (% Sky Obscured)

17
12
9
5
2
2
5
8
19
30
41
54
68
82
82
80
72
58
48
38
48
58
67
60

Medium Clouds (% Sky Obscured)

22
17
12
5
1
2
3
4
7
13
25
34
53
61
53
35
16
30
41
50
33
17
0
0

High Clouds (% Sky Obscured)

6
1
10
21
22
28
16
0
0
0
0
5
9
14
11
7
4
33
60
59
60
30
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 (%)

8
6
5
3
0
0
0
0
0
0
0
0
1
1
7
7
3
2
1
0
1
1
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)

14
14
14
14
14
14
15
16
17
17
17
19
18
18
18
17
15
13
13
12
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
80
78
76
73
72
69
68
66
69
70
71
72
75
76
76
76
74
78
82
87
84
81
78

Pressure (mb)

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

Ozone (du)

277
277
277
278
278
279
280
281
283
283
283
283
283
284
284
287
290
292
294
296
298
298
298
299

Thursday 11

Third Quarter 57%

00:24

12:46

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

Sun - Rise: 08:33, Set: 16:22, Transit: 12:27. Moon - Rise: 00:24, Set: 12:46. Civil Dark: 17:02 - 07:53. Nautical Dark: 17:46 - 07:09. Astro Dark: 18:27 - 06:28

Total Clouds (% Sky Obscured)

67
66
60
56
56
54
49
41
27
15
5
6
6
7
6
4
3
29
61
90

Low Clouds (% Sky Obscured)

55
49
49
50
56
54
49
41
27
15
4
3
2
0
1
2
3
2
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
2
3
4
3
2
2
1
1
3
6
7
6
3
0
22
43
55

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
2
3
2
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
88
94
94
94
93
90
87
84
87
88
91
91
91
91
91
91
90
86
85

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017

Ozone (du)

298
297
296
296
295
294
294
293
293
293
293
293
293
294
294
295
296
297
297
297

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

Generated: 05/12/25 05:59:54. Forecast: 05/12/25 to 11/12/25. Timezone: UTC+1.00