Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Waxing Gibbous 100%

15:12

09:46

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:31, Set: 16:17, Transit: 12:24. Moon - Rise: 15:12, Set: 09:46. Civil Dark: 16:59 - 07:50. Nautical Dark: 17:43 - 07:05. Astro Dark: 18:25 - 06:23

Total Clouds (% Sky Obscured)

99
93
96
87
84
96
100
98
73
57
80
95
59
61
96
100
100
83
96
99
93
94
99
95

Low Clouds (% Sky Obscured)

78
91
85
75
49
45
42
35
39
40
42
41
45
52
52
44
44
42
58
70
64
60
79
71

Medium Clouds (% Sky Obscured)

23
23
14
16
18
15
45
45
32
16
16
6
6
61
96
100
98
31
29
26
31
27
38
28

High Clouds (% Sky Obscured)

3
4
4
26
48
87
100
85
2
9
51
90
50
51
57
38
23
14
44
40
60
58
30
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
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
15
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
5
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
91
90
93
94
94
93
93
94
93
91
86
86
91
93
94
94
94
94
96
94

Pressure (mb)

1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1009
1009
1010

Ozone (du)

297
297
301
302
300
295
292
291
292
294
296
301
304
310
313
310
309
309
311
312
314
313
314
317

Friday 5

Full Moon 98%

16:02

No Set

10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
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

Sun - Rise: 08:33, Set: 16:17, Transit: 12:24. Moon - Rise: 16:02, Set: No Set. Civil Dark: 16:59 - 07:51. Nautical Dark: 17:43 - 07:06. Astro Dark: 18:25 - 06:24

Total Clouds (% Sky Obscured)

82
59
54
47
46
32
31
42
38
48
100
100
91
82
100
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
57
54
47
46
32
31
42
38
48
39
34
38
36
33
28
42
58
56
63
88
85
89
94

Medium Clouds (% Sky Obscured)

23
16
5
4
0
0
0
0
0
0
0
45
40
57
97
100
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

26
2
3
2
0
0
0
0
0
7
100
100
85
72
89
100
39
100
100
100
100
100
100
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
2
1
9
6

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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
36
79
95
67
68
75

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.3
0.3
0.3

Wind Speed/Direction (mph)

5
5
6
6
7
6
6
6
7
7
8
8
9
10
11
12
12
12
13
15
15
15
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
3
4
5
6
6
4
3
3
3
2
-0
-0
-1
-1
-2
-2
-1
-1
-1
-2
-2
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

94
89
86
85
84
88
91
94
94
94
96
93
91
89
89
86
86
83
82
85
93
96
94
91

Pressure (mb)

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

Ozone (du)

322
326
333
338
341
345
346
348
341
343
338
331
325
320
319
314
310
306
306
305
304
304
307
308

Saturday 6

Waning Gibbous 93%

17:15

10:54

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:34, Set: 16:17, Transit: 12:25. Moon - Rise: 17:15, Set: 10:54. Civil Dark: 16:58 - 07:52. Nautical Dark: 17:43 - 07:07. Astro Dark: 18:25 - 06:25

Total Clouds (% Sky Obscured)

100
100
98
100
89
100
100
92
100
99
100
100
100
100
100
95
99
99
100
90
91
91
91
91

Low Clouds (% Sky Obscured)

97
100
90
97
89
100
94
77
78
97
88
95
95
100
85
89
97
89
80
75
85
86
87
89

Medium Clouds (% Sky Obscured)

75
65
95
100
23
47
85
61
100
94
78
100
89
99
93
48
74
98
90
82
20
20
17
16

High Clouds (% Sky Obscured)

90
19
15
100
3
10
97
60
100
39
100
100
91
86
47
30
40
35
3
35
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
8
9
9
9
3
5
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
None
None
None
None
None
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

88
53
27
6
6
24
46
31
61
88
74
82
87
95
62
33
42
46
34
27
29
24
10
3

Precipitation Amount (mm)

0.7
0
0
0
0
0
0.2
0
0.2
0.6
0.4
0.5
0.5
1.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
90
91
91
90
93
88
90
91
90
90
95
95
90
90
91
91
91
91
91
91
90

Pressure (mb)

1002
1002
1002
1002
1002
1001
1001
1002
1001
1001
1001
1001
1001
1001
1002
1002
1003
1004
1004
1004
1005
1005
1005
1006

Ozone (du)

308
305
302
301
301
300
300
300
300
300
301
302
303
303
300
297
297
298
297
299
300
301
297
291

Sunday 7

Waning Gibbous 86%

18:43

11:38

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:35, Set: 16:16, Transit: 12:25. Moon - Rise: 18:43, Set: 11:38. Civil Dark: 16:58 - 07:53. Nautical Dark: 17:43 - 07:08. Astro Dark: 18:25 - 06:26

Total Clouds (% Sky Obscured)

89
87
86
79
82
80
87
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

86
83
81
60
69
78
73
68
64
56
50
43
56
73
88
89
90
91
82
73
63
60
57
56

Medium Clouds (% Sky Obscured)

17
18
20
14
6
0
7
68
74
83
92
100
100
100
100
100
55
55
43
22
0
17
33
50

High Clouds (% Sky Obscured)

0
1
19
18
40
45
59
82
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

19
7
2
2
1
3
9
8
21
14
15
26
68
84
95
95
95
95
92
64
19
13
9
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
1.2
0.9
0.9
1.1
0.6
0.3
0
0
0
0

Wind Speed/Direction (mph)

13
12
12
11
10
10
9
8
9
9
10
10
11
11
12
11
10
14
15
16
16
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
88
88
87
91
95
95
93
93
95
95
95
96
98
95
90
87
84
83
87
87

Pressure (mb)

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

Ozone (du)

283
281
276
277
279
278
278
277
277
279
280
281
282
286
291
292
295
294
294
292
292
294
296
296

Monday 8

Waning Gibbous 77%

20:15

12:06

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:36, Set: 16:16, Transit: 12:25. Moon - Rise: 20:15, Set: 12:06. Civil Dark: 16:58 - 07:54. Nautical Dark: 17:43 - 07:09. Astro Dark: 18:25 - 06:27

Total Clouds (% Sky Obscured)

99
96
99
100
100
100
100
100
100
94
89
86
82
81
80
82
88
92
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

54
51
50
55
60
65
83
86
88
87
86
85
80
73
72
69
67
64
53
55
59
59
62
57

Medium Clouds (% Sky Obscured)

48
41
39
46
94
81
96
92
88
68
21
0
0
0
0
0
1
1
1
1
1
32
63
93

High Clouds (% Sky Obscured)

99
96
99
100
100
100
100
100
100
68
37
10
10
15
18
18
14
10
33
67
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
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
6
5
15
27
40
55
61
68
62
54
35
30
17
6
7
4
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
83
77
77
83
88
88
91
93
90
90
91
95
93
91
93
95
98
96
95
96
95
95

Pressure (mb)

1006
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1014
1014

Ozone (du)

295
296
298
302
310
315
316
319
327
332
336
336
335
334
333
332
328
324
321
319
318
317
314
311

Tuesday 9

Waning Gibbous 67%

21:43

12:24

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 08:37, Set: 16:16, Transit: 12:26. Moon - Rise: 21:43, Set: 12:24. Civil Dark: 16:58 - 07:55. Nautical Dark: 17:42 - 07:10. Astro Dark: 18:25 - 06:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
81
72
60
47
37
45
53
65

Low Clouds (% Sky Obscured)

54
51
44
44
54
70
79
88
96
94
92
89
82
77
71
47
24
1
12
26
37
42
50
62

Medium Clouds (% Sky Obscured)

96
98
100
100
100
100
99
98
98
98
99
100
99
98
97
90
81
72
60
47
37
45
44
45

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
68
37
5
4
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
5
3
1
3
6
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
Very 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
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
24
39
56
86
95
95
95
95
95
95
95
76
58
38
6
17
19
19
24
25
25

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.5
0.8
1
1.1
1.1
1.2
1.1
0.8
0.5
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
8
8
8
9
10
12
13
14
14
15
15
15
16
15
14
14
14
14
14
15
15

Chance of Frost

Temperature (°C)

9
9
9
10
10
10
10
10
10
10
10
11
11
11
11
11
11
11
11
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
9
9
9
10
10
10
10
10
10
10
10
10
9
9
8
8
8
8
8
9

Relative Humidity (%)

93
91
91
90
91
95
96
98
98
98
96
95
95
91
91
90
88
85
85
85
87
87
88
90

Pressure (mb)

1014
1014
1013
1013
1012
1011
1011
1010
1009
1008
1007
1006
1006
1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005

Ozone (du)

309
304
298
293
290
287
284
284
284
284
283
282
281
281
280
280
281
281
281
282
283
284
284
284

Wednesday 10

Waning Gibbous 57%

23:05

12:36

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: 08:38, Set: 16:15, Transit: 12:26. Moon - Rise: 23:05, Set: 12:36. Civil Dark: 16:57 - 07:56. Nautical Dark: 17:42 - 07:11. Astro Dark: 18:25 - 06:29

Total Clouds (% Sky Obscured)

66
69
70
68
68
65
61
57
56
59
66
70
76
81
85
86
87
87
86
85
81

Low Clouds (% Sky Obscured)

64
66
68
68
68
65
61
57
56
59
61
64
65
65
64
67
69
71
75
78
81

Medium Clouds (% Sky Obscured)

36
25
17
26
32
37
37
41
50
48
56
65
58
51
43
37
35
32
30
28
29

High Clouds (% Sky Obscured)

0
0
0
5
9
19
19
24
25
31
38
39
45
37
16
17
24
35
54
74
81

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

Fog (%)

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

Precipitation Probability (%)

19
13
2
5
5
2
8
8
6
12
10
5
10
11
10
8
5
5
6
6
3

Precipitation Amount (mm)

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)

16
16
17
18
18
19
18
18
18
18
18
18
18
18
17
17
17
17
17
17
16

Chance of Frost

Temperature (°C)

10
10
11
11
11
11
11
11
10
10
10
10
10
10
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
10
10
10
10
10
9
9
9
9
9
9
8
8
8
8
8
8

Relative Humidity (%)

90
90
90
90
91
91
91
93
95
93
95
95
93
95
95
95
95
95
95
93
91

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

283
286
288
290
291
292
293
296
298
300
304
307
311
310
310
309
307
305
303
302
301

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

Generated: 04/12/25 10:23:05. Forecast: 04/12/25 to 10/12/25. Timezone: UTC+1.00