Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waxing Gibbous 70%

12:11

04:07

05 OK
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: 08:41, Set: 16:46, Transit: 12:44. Moon - Rise: 12:11, Set: 04:07. Civil Dark: 17:26 - 08:01. Nautical Dark: 18:08 - 07:19. Astro Dark: 18:49 - 06:38

Total Clouds (% Sky Obscured)

36
46
52
54
83
97
64
97
100
100
100
100
100
100
100
100
100
100
100
80
88
97
100
100

Low Clouds (% Sky Obscured)

36
46
52
54
46
52
59
59
48
33
10
23
51
50
40
58
70
62
53
32
10
21
12
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
8
89
72
91
100
100
100
100
100
100
89
92
91
80
80
97
83
100

High Clouds (% Sky Obscured)

20
10
10
10
58
88
11
70
100
100
100
100
100
100
100
100
100
100
100
43
26
21
46
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
1
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
7
8
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
23
49
70
84
95
95
60
34
29
24
32
51

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.6
0.6
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
91
89
89
86
80
79
77
82
83
86
88
93
98
100
100
100
98
98
100
98
98

Pressure (mb)

1002
1002
1002
1003
1004
1004
1004
1004
1004
1003
1003
1002
1002
1002
1001
1001
1000
999
999
999
999
999
999
999

Ozone (du)

341
330
339
346
356
357
350
340
336
338
338
341
333
325
323
333
339
341
346
357
368
369
364
359

Thursday 9

Waxing Gibbous 80%

12:31

No Set

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 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:40, Set: 16:48, Transit: 12:44. Moon - Rise: 12:31, Set: No Set. Civil Dark: 17:27 - 08:01. Nautical Dark: 18:10 - 07:18. Astro Dark: 18:50 - 06:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
94
82
53
67
20
29
46
40
33
21
35
39
31
31
64
78
77
66
54

Low Clouds (% Sky Obscured)

66
47
51
58
62
56
37
37
28
19
29
34
29
29
21
35
39
31
31
64
69
73
62
53

Medium Clouds (% Sky Obscured)

100
100
100
100
100
80
34
14
20
0
0
9
7
2
0
0
0
0
0
22
39
2
0
0

High Clouds (% Sky Obscured)

100
15
10
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)

2
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
0
9

Fog (%)

5
15
0
0
0
0
32
34
38
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

44
49
39
38
48
31
22
52
14
28
5
8
6
5
1
0
0
0
1
2
24
41
12
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0

Wind Speed/Direction (mph)

7
6
5
4
4
4
5
7
8
8
9
8
9
11
11
11
11
11
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
96
96
96
98
96
94
88
80
80
80
80
80
81
81
84
87
87
87
94
98
89

Pressure (mb)

999
999
1000
1000
1001
1002
1003
1003
1004
1004
1005
1006
1007
1009
1010
1010
1011
1012
1013
1013
1014
1014
1015
1015

Ozone (du)

354
350
355
355
365
376
375
376
374
373
372
374
375
370
362
356
351
350
350
349
336
330
328
323

Friday 10

Waxing Gibbous 89%

12:59

05:36

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 OK
01 OK
02 Bad
03 Bad
04 Bad

Sun - Rise: 08:40, Set: 16:49, Transit: 12:44. Moon - Rise: 12:59, Set: 05:36. Civil Dark: 17:28 - 08:00. Nautical Dark: 18:11 - 07:18. Astro Dark: 18:51 - 06:37

Total Clouds (% Sky Obscured)

53
61
70
78
78
73
64
74
62
63
63
75
76
75
78
80
57
49
53
29
37
44
54
52

Low Clouds (% Sky Obscured)

51
59
64
74
71
69
60
71
53
56
51
57
58
53
55
57
57
48
50
27
36
44
54
52

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
23
50
55
45
45
45
45
46
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
9
2
10
10
10
20
25
30
40
47
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 (%)

2
1
0
0
6
5
10
11
6
6
8
4
7
0
0
0
0
0
0
0
0
1
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)

11
11
11
11
10
10
10
10
10
8
7
7
6
5
5
5
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
94
92
94
92
93
93
91
93
93
94
93
94
94
94
94
94
94
94
96
94
94
96

Pressure (mb)

1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1023
1024
1024

Ozone (du)

317
317
314
315
311
307
304
303
305
306
309
311
313
314
315
315
314
313
313
311
311
309
314
316

Saturday 11

Waxing Gibbous 95%

13:41

06:59

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

Sun - Rise: 08:39, Set: 16:51, Transit: 12:45. Moon - Rise: 13:41, Set: 06:59. Civil Dark: 17:30 - 08:00. Nautical Dark: 18:12 - 07:17. Astro Dark: 18:52 - 06:37

Total Clouds (% Sky Obscured)

51
48
64
77
85
59
34
13
31
25
42
31
28
26
38
50
62
75
85
98
97
95
86
88

Low Clouds (% Sky Obscured)

51
48
60
68
80
56
33
12
31
23
41
31
28
26
38
50
62
75
85
98
97
95
86
87

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
3
3
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
1
5
6
10
2
0
0
0
1
2
1
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)

3
3
3
3
3
3
2
3
3
3
4
4
4
4
3
3
3
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
91
89
88
86
85
88
89
93
96
98
98
96
96
96
98
98
96
94
94
96

Pressure (mb)

1025
1025
1026
1026
1027
1028
1028
1029
1029
1029
1030
1030
1031
1031
1032
1033
1033
1034
1034
1035
1036
1036
1037
1037

Ozone (du)

318
322
323
325
325
323
321
320
317
318
324
329
333
335
335
334
330
326
324
323
319
318
320
321

Sunday 12

Waxing Gibbous 99%

14:40

08:08

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

Sun - Rise: 08:38, Set: 16:52, Transit: 12:45. Moon - Rise: 14:40, Set: 08:08. Civil Dark: 17:31 - 07:59. Nautical Dark: 18:13 - 07:17. Astro Dark: 18:54 - 06:37

Total Clouds (% Sky Obscured)

89
89
90
81
63
67
69
62
67
66
62
60
53
53
49
44
38
40
42
47
54
61
66
77

Low Clouds (% Sky Obscured)

89
89
90
81
63
67
69
62
67
66
62
54
47
44
49
44
35
30
26
17
11
7
4
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
16
32
47
53
56
60
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
1
1
1
1
2
2
3
35

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
1
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
96
91
87
83
78
76
80
84
87
86
86
86
86
86
84
84
84
83
83
81

Pressure (mb)

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

Ozone (du)

323
318
314
309
309
310
308
306
302
302
301
299
298
295
293
292
291
289
290
292
293
291
290
289

Monday 13

Full Moon 100%

15:55

08:58

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: 08:37, Set: 16:54, Transit: 12:45. Moon - Rise: 15:55, Set: 08:58. Civil Dark: 17:32 - 07:59. Nautical Dark: 18:15 - 07:16. Astro Dark: 18:55 - 06:36

Total Clouds (% Sky Obscured)

87
97
98
99
100
91
83
72
81
88
98
87
74
73
73
68
63
62
58
57
63
74
83
88

Low Clouds (% Sky Obscured)

7
8
7
6
5
4
4
4
4
4
4
7
9
12
16
21
41
45
40
40
35
30
35
34

Medium Clouds (% Sky Obscured)

43
34
26
17
8
8
12
12
33
46
59
51
40
30
36
32
24
28
29
31
29
30
26
30

High Clouds (% Sky Obscured)

67
97
98
99
100
91
83
72
81
88
95
77
57
37
28
20
11
9
7
5
35
66
83
68

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
5
9
13
14
17
19
19
11
1
4
4
4
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-4
-5
-5
-5
-5
-5
-5
-5

Relative Humidity (%)

81
80
80
78
77
75
71
68
63
66
68
70
69
69
69
67
67
66
65
64
63
64
64
64

Pressure (mb)

1039
1039
1038
1038
1038
1038
1037
1037
1036
1035
1035
1034
1034
1034
1033
1033
1033
1033
1032
1032
1032
1032
1031
1031

Ozone (du)

287
284
282
279
277
274
275
276
276
277
277
278
278
278
278
278
278
278
281
284
286
285
284
283

Tuesday 14

Waning Gibbous 99%

17:17

09:32

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

Sun - Rise: 08:37, Set: 16:55, Transit: 12:46. Moon - Rise: 17:17, Set: 09:32. Civil Dark: 17:34 - 07:58. Nautical Dark: 18:16 - 07:16. Astro Dark: 18:56 - 06:36

Total Clouds (% Sky Obscured)

93
99
96
94
92
89
85
85
89
92
95
92
91
90
87
85
83
85
82
80

Low Clouds (% Sky Obscured)

34
33
52
77
92
89
85
82
85
88
92
91
91
90
86
82
80
85
82
80

Medium Clouds (% Sky Obscured)

31
34
28
22
16
12
6
0
6
12
17
19
22
25
17
10
2
16
31
46

High Clouds (% Sky Obscured)

39
15
16
15
12
12
15
26
44
56
70
61
50
38
25
23
24
14
7
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

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 (%)

5
2
5
5
1
3
3
3
5
5
1
3
0
0
1
1
0
5
2
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
10
10
10
10
11
10
9
9
8
8
7
7
7
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
65
65
63
63
65
67
69
73
76
80
83
88
91
93
94
96
98
98

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1034
1034
1034

Ozone (du)

281
280
279
278
278
278
276
275
274
274
274
274
276
277
279
279
279
279
279
279

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

Generated: 08/01/25 05:31:21. Forecast: 08/01/25 to 14/01/25. Timezone: UTC+1.00