Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waxing Gibbous 80%

12:59

05:36

16 Good
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
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 OK
15 Bad

Sun - Rise: 08:40, Set: 16:48, Transit: 12:44. Moon - Rise: 12:59, Set: 05:36. Civil Dark: 17:27 - 08:00. Nautical Dark: 18:10 - 07:18. Astro Dark: 18:50 - 06:37

Total Clouds (% Sky Obscured)

17
48
47
81
69
60
50
29
57
82
81
84
77
72
63
54
58
60
46
61
55
49
37
60

Low Clouds (% Sky Obscured)

17
46
39
66
60
60
48
29
57
50
61
76
77
65
40
40
40
42
33
42
49
48
37
55

Medium Clouds (% Sky Obscured)

17
37
47
59
44
2
3
0
0
61
53
46
2
0
0
0
0
0
0
0
0
0
0
0

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
0

ISS Passover

Visibility (miles)

9
9
5
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
9
36
26
7
3
1
0
2
18
16
17
12
6
4
0
0
0
1
1
1
2
2
3

Precipitation Amount (mm)

0
0
0.1
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
8
9
12
12
11
11
11
12
12
13
12
12
12
12
11
11
11
11
11
11
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
80
83
80
80
78
80
83
86
86
86
84
88
94
93
84
88
89
86
80
76
75
75
75

Pressure (mb)

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

Ozone (du)

379
373
371
374
378
381
379
379
378
379
368
362
356
348
343
340
340
338
329
323
321
319
319
318

Friday 10

Waxing Gibbous 89%

13:41

06:59

16 Bad
17 Bad
18 Bad
19 OK
20 OK
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

Sun - Rise: 08:39, Set: 16:49, Transit: 12:45. Moon - Rise: 13:41, Set: 06:59. Civil Dark: 17:28 - 08:00. Nautical Dark: 18:11 - 07:17. Astro Dark: 18:51 - 06:37

Total Clouds (% Sky Obscured)

61
53
65
48
37
44
50
55
72
77
82
82
83
87
87
87
87
82
82
82
82
79
71
83

Low Clouds (% Sky Obscured)

56
48
60
48
37
44
50
52
67
71
76
77
82
86
87
87
87
82
82
82
82
79
71
80

Medium 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
0

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
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
73
88
80
69
64
86
94
100
100
100
100
100
100
100

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 (%)

2
2
1
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
1
0
3
13
14

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
8
8
7
7
6
5
5
5
5
4
4
3
3
2
1
1
1
1
2
3
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
82
83
86
91
92
92
91
91
89
91
89
89
91
91
89
89
89
88
81
78
77
79
82

Pressure (mb)

1018
1018
1019
1019
1020
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1024
1025
1026
1027
1027
1027
1027
1028
1028

Ozone (du)

319
320
323
326
325
326
324
327
332
329
327
325
322
320
323
326
329
331
336
341
342
339
341
340

Saturday 11

Waxing Gibbous 95%

14:40

08:08

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:38, Set: 16:51, Transit: 12:45. Moon - Rise: 14:40, Set: 08:08. Civil Dark: 17:30 - 07:59. Nautical Dark: 18:12 - 07:17. Astro Dark: 18:52 - 06:37

Total Clouds (% Sky Obscured)

93
100
100
100
100
100
95
95
91
86
91
87
87
78
72
75
80
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
99
100
90
95
90
90
95
91
86
91
87
87
78
72
75
80
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
3
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
2
0
4
5
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 (%)

97
90
80
19
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 (%)

17
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
78
81
83
86
89
89
89
89
89
89
89
89
89
89
89
91
89
80
73
69
67
71
74

Pressure (mb)

1029
1029
1030
1031
1032
1032
1033
1033
1034
1034
1035
1036
1036
1037
1037
1038
1038
1039
1039
1039
1040
1040
1040
1040

Ozone (du)

338
334
329
329
326
324
321
323
320
306
303
305
306
309
313
311
311
315
315
315
317
313
309
305

Sunday 12

Waxing Gibbous 99%

15:55

08:58

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:37, Set: 16:52, Transit: 12:45. Moon - Rise: 15:55, Set: 08:58. Civil Dark: 17:31 - 07:59. Nautical Dark: 18:13 - 07:16. Astro Dark: 18:54 - 06:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
88
87
100
100
100
100
100
100
100
100
100
100
100
91

Low Clouds (% Sky Obscured)

100
100
100
100
100
86
77
76
76
81
81
86
88
85
77
58
39
19
13
6
0
18
37
48

Medium Clouds (% Sky Obscured)

0
0
0
14
28
32
18
9
3
9
20
24
27
33
66
91
90
87
98
97
83
58
55
48

High Clouds (% Sky Obscured)

1
2
3
24
71
92
72
50
29
21
14
20
46
71
100
100
100
100
100
100
100
100
100
91

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
0
0
0
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
5
5
4
4
5
5
5
5
5
6
6
7
7
7
7
7
8
9
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
73
71
69
67
66
70
73
74
77
78
80
83
86
86
87
87
89
87
81
77
74
74
77

Pressure (mb)

1040
1041
1041
1041
1042
1041
1042
1042
1041
1041
1041
1041
1041
1040
1040
1040
1039
1039
1039
1039
1038
1038
1037
1037

Ozone (du)

303
299
297
296
296
298
296
293
290
287
287
286
284
285
286
286
284
285
285
285
286
285
282
281

Monday 13

Full Moon 100%

15:55

09:32

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:37, Set: 16:54, Transit: 12:46. Moon - Rise: 15:55, Set: 09:32. Civil Dark: 17:32 - 07:58. Nautical Dark: 18:15 - 07:16. Astro Dark: 18:55 - 06:36

Total Clouds (% Sky Obscured)

88
91
89
85
73
68
74
74
100
100
100
100
100
100
100
94
89
86
91
93
93
95
97
100

Low Clouds (% Sky Obscured)

56
62
72
72
73
68
74
74
86
88
77
68
73
57
66
92
87
86
79
76
66
75
86
99

Medium Clouds (% Sky Obscured)

53
74
81
74
48
48
33
18
2
16
34
86
82
65
96
52
42
22
17
11
7
4
5
6

High Clouds (% Sky Obscured)

85
85
65
40
23
0
0
0
5
36
65
98
89
80
70
88
89
86
68
37
6
16
26
36

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
1
0
6
13
19
23
22
27
15
2
0
0
0
0
3
1
0
1
1
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
86
88
88
84
84
84
83
83
81
81
81
83
84
86
86
88
88
89
89
89
88
89
91

Pressure (mb)

1036
1036
1035
1035
1035
1035
1035
1034
1034
1034
1034
1034
1034
1033
1033
1033
1035
1035
1035
1035
1035
1035
1035
1035

Ozone (du)

279
279
278
276
275
276
277
278
282
283
282
282
283
285
286
282
280
279
277
278
279
279
278
277

Tuesday 14

Waning Gibbous 99%

17:17

09:54

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 08:36, Set: 16:55, Transit: 12:46. Moon - Rise: 17:17, Set: 09:54. Civil Dark: 17:34 - 07:57. Nautical Dark: 18:16 - 07:15. Astro Dark: 18:56 - 06:35

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
85
78
73
66
64

Low Clouds (% Sky Obscured)

99
100
100
100
100
100
99
98
98
99
99
100
100
100
100
100
99
99
90
82
74
73
66
64

Medium Clouds (% Sky Obscured)

4
2
0
1
1
2
2
4
4
12
14
17
20
19
18
25
23
18
20
19
19
12
7
0

High Clouds (% Sky Obscured)

34
32
31
46
59
70
79
86
96
71
45
17
10
4
1
3
4
6
5
2
0
1
3
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
3
2
1
0
0
0
0
1
2
2
5
7
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 (%)

6
8
11
10
8
10
9
9
3
8
7
2
7
9
7
10
10
5
7
6
5
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
96
98
98
98
98
98
100
100
98
98
98
100
98
100
98
100
100
98
98
98
98
98

Pressure (mb)

1034
1035
1035
1035
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036

Ozone (du)

276
276
276
276
276
277
277
278
279
280
279
279
278
278
279
279
279
279
280
278
276
275
273
271

Wednesday 15

Waning Gibbous 95%

18:39

10:11

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
12 Bad

Sun - Rise: 08:35, Set: 16:57, Transit: 12:47. Moon - Rise: 18:39, Set: 10:11. Civil Dark: 17:35 - 07:56. Nautical Dark: 18:17 - 07:14. Astro Dark: 18:57 - 06:34

Total Clouds (% Sky Obscured)

63
66
65
67
69
71
69
67
50
50
47
50
59
75
89
85
80
74
71
71
68

Low Clouds (% Sky Obscured)

63
66
65
67
56
51
47
39
40
44
47
50
49
44
41
52
65
74
70
64
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

3
2
1
1
0
0
0
0
0
1
1
2
14
30
48
42
23
2
2
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
3
3
3
5
7

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 (%)

0
0
0
0
0
0
0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1035
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1036
1037
1037
1037
1037
1037

Ozone (du)

269
267
266
265
265
264
264
263
262
261
262
262
263
264
265
266
266
266
266
266
266

Forecast for Grave, Gemeente Grave, Netherlands (51.76,5.74)

Generated: 09/01/25 15:47:00. Forecast: 09/01/25 to 15/01/25. Timezone: UTC+1.00