Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 91%

19:21

10:43

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 OK
03 OK
04 OK
05 Good
06 OK
07 Bad
08 OK
09 OK
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:45, Set: 16:42, Transit: 12:44. Moon - Rise: 19:21, Set: 10:43. Civil Dark: 17:22 - 08:05. Nautical Dark: 18:05 - 07:22. Astro Dark: 18:46 - 06:41

Total Clouds (% Sky Obscured)

100
99
82
74
71
65
73
76
71
67
52
55
40
37
36
8
2
30
42
35
36
42
73
68

Low Clouds (% Sky Obscured)

100
75
56
41
51
52
73
76
71
67
44
55
29
33
34
8
1
30
42
35
36
42
50
44

Medium Clouds (% Sky Obscured)

48
0
0
16
31
18
6
2
40
45
45
44
11
0
0
0
0
3
0
2
3
3
41
34

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)

0
1
8
9
9
9
9
9
2
0
6
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
7
3
3
3
4
19
30
40
36
8
1
0
0
0
1
0
0
0
1
2
4
11
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
9
9
9
9
8
8
6
5
4
4
5
5
5
4
4
3
4
4
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
96
94
94
94
92
92
92
98
96
92
86
86
89
89
91
91
91
91
91
87
86
88

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1012
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016
1015

Ozone (du)

399
405
399
396
401
405
409
411
406
410
411
412
417
417
405
404
400
395
397
399
398
396
391
389

Tuesday 6

Waning Gibbous 83%

20:47

10:56

13 Bad
14 OK
15 Bad
16 Bad
17 OK
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: 08:45, Set: 16:43, Transit: 12:44. Moon - Rise: 20:47, Set: 10:56. Civil Dark: 17:23 - 08:05. Nautical Dark: 18:06 - 07:21. Astro Dark: 18:47 - 06:40

Total Clouds (% Sky Obscured)

51
10
56
89
39
63
56
57
98
100
96
100
100
97
100
100
100
100
100
100
100
100
97
96

Low Clouds (% Sky Obscured)

33
4
41
37
23
35
45
44
49
46
45
59
51
60
62
61
80
65
99
94
93
96
92
91

Medium Clouds (% Sky Obscured)

26
3
36
79
23
46
45
48
56
67
91
100
100
94
100
100
100
100
100
100
100
100
94
93

High Clouds (% Sky Obscured)

0
0
0
0
2
2
2
1
33
30
13
5
8
5
76
93
83
10
10
10
10
10
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
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

7
5
4
1
0
0
2
4
5
1
1
0
0
0
1
4
10
10
41
59
71
88
95
85

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.4
0.7
0.9
0.6

Wind Speed/Direction (mph)

7
8
8
7
7
7
8
9
10
10
12
13
13
14
15
16
16
17
18
18
19
20
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-2
-1
-4
-4
-4
-4
-4
-5
-7
-7
-7
-8
-8
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
92
94
92
91
87
87
91
94
91
91
91
91
89
89
89
89
89
91
98
98
98

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1012
1012
1011
1010
1009
1009
1008
1008
1008
1007
1007
1007

Ozone (du)

387
388
389
390
390
388
391
392
391
388
390
384
383
387
392
392
391
395
391
394
398
398
397
396

Wednesday 7

Waning Gibbous 74%

22:08

11:06

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:44, Set: 16:44, Transit: 12:45. Moon - Rise: 22:08, Set: 11:06. Civil Dark: 17:24 - 08:04. Nautical Dark: 18:07 - 07:21. Astro Dark: 18:48 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
84
86
85
75
52
84
99
99
80
92
94
94
100
100
100
99
98
97
98
99
100

Low Clouds (% Sky Obscured)

100
100
88
82
83
82
75
52
44
40
52
55
50
51
45
49
62
74
77
82
87
91
95
100

Medium Clouds (% Sky Obscured)

55
50
90
4
43
0
0
0
32
57
69
53
34
74
82
100
100
100
98
96
93
50
82
78

High Clouds (% Sky Obscured)

0
0
91
15
10
10
0
1
84
96
55
38
45
31
54
78
59
53
44
52
48
70
86
100

ISS Passover

Visibility (miles)

0
0
0
1
0
0
5
9
9
9
9
9
9
9
9
9
9
9
9
9
1
0
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

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

Precipitation Probability (%)

72
56
43
46
36
27
19
8
3
3
2
7
6
12
2
1
2
8
19
28
49
62
52
38

Precipitation Amount (mm)

0.4
0.2
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0

Wind Speed/Direction (mph)

18
17
16
15
13
10
9
8
7
7
7
7
8
8
8
9
9
10
11
12
12
13
13
13

Chance of Frost

Temperature (°C)

-1
-1
-0
-0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
100
98
94
91
91
89
89
89
89
88
87
89
91
91
94
94
98
100
98

Pressure (mb)

1006
1006
1005
1005
1005
1006
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1008
1007
1007
1006
1006
1005
1004

Ozone (du)

393
386
383
384
387
378
355
346
334
332
324
319
321
326
323
324
325
322
323
327
333
334
333
333

Thursday 8

Waning Gibbous 64%

23:25

11:16

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:44, Set: 16:46, Transit: 12:45. Moon - Rise: 23:25, Set: 11:16. Civil Dark: 17:25 - 08:04. Nautical Dark: 18:09 - 07:21. Astro Dark: 18:49 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
82
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
89
86
83
80
77
72
65
61
67
77
84
83
83
83
88
91
100
82
100
100
98
96
94

Medium Clouds (% Sky Obscured)

41
89
73
100
100
100
100
100
100
100
100
100
100
100
100
100
100
65
65
60
60
83
100
100

High Clouds (% Sky Obscured)

98
97
94
95
78
92
97
100
100
100
100
100
98
95
93
95
98
100
82
95
95
95
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
3

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

28
20
12
9
4
0
1
9
34
61
85
95
95
95
95
95
55
64
83
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
1.1
0.7
1.9
2.1
1
0.1
0.2
0.4
0.6
0.7
0.7
1.7
0.9

Wind Speed/Direction (mph)

13
12
10
9
9
8
8
9
9
9
10
11
13
14
14
14
15
16
17
19
20
21
22
22

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
98
85
80
77
77
80
79
91

Pressure (mb)

1004
1003
1003
1003
1003
1003
1003
1002
1002
1001
1000
998
997
995
993
991
990
989
988
987
985
984
983
982

Ozone (du)

334
328
326
326
326
326
325
326
325
326
327
327
327
329
328
330
337
345
352
360
369
370
364
372

Friday 9

Waning Gibbous 54%

00:39

11:26

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:43, Set: 16:47, Transit: 12:46. Moon - Rise: 00:39, Set: 11:26. Civil Dark: 17:27 - 08:03. Nautical Dark: 18:10 - 07:20. Astro Dark: 18:51 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
99
98
97
98
99
100
100
100
100
100
100
100
84
64
46
51
58
66
73
82
90

Low Clouds (% Sky Obscured)

93
93
93
93
92
91
91
91
92
91
90
90
82
72
64
60
53
46
51
58
66
70
74
77

Medium Clouds (% Sky Obscured)

93
100
48
87
86
79
85
92
100
100
100
100
99
99
98
84
64
46
51
58
60
68
65
70

High Clouds (% Sky Obscured)

89
78
67
45
22
0
33
67
100
76
52
29
51
76
100
67
33
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
4
9
8
1
0
1
4
6
9
6
3
0
2
4
5
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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
78
95
95
95
95
76
54
56
63
55
64
46
28
31
36
40
38
36
32
31
29
26

Precipitation Amount (mm)

1.1
0.9
0.3
0.7
1.6
0.8
0.7
0.4
0
0
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

19
17
16
15
15
17
17
18
19
23
21
20
18
17
16
15
14
14
15
15
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

96
96
96
96
96
98
96
94
94
91
94
96
96
94
91
89
93
94
96
96
94
94
89
86

Pressure (mb)

981
980
980
980
980
980
981
982
983
985
987
989
991
993
994
996
997
999
1000
1001
1003
1004
1005
1006

Ozone (du)

374
385
389
400
405
398
387
394
410
406
401
402
400
398
397
395
392
389
387
386
386
385
387
390

Saturday 10

Third Quarter 45%

01:53

11:38

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
10 Bad
11 Bad
12 Bad

Sun - Rise: 08:42, Set: 16:48, Transit: 12:46. Moon - Rise: 01:53, Set: 11:38. Civil Dark: 17:28 - 08:03. Nautical Dark: 18:11 - 07:20. Astro Dark: 18:52 - 06:39

Total Clouds (% Sky Obscured)

87
83
81
80
79
77
82
88
95
95
96
97
98
99
100
100
100
100
100
100
100
97
92
87

Low Clouds (% Sky Obscured)

81
82
81
80
79
77
77
74
75
63
51
38
42
47
54
68
81
96
97
98
100
96
92
87

Medium Clouds (% Sky Obscured)

47
26
5
4
2
1
13
27
40
59
81
97
98
99
100
100
100
100
95
91
81
76
66
60

High Clouds (% Sky Obscured)

0
0
0
10
21
31
22
16
17
24
31
41
64
80
100
100
100
100
68
37
5
10
10
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
5
5
6
5
4
4
3
3

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

Precipitation Probability (%)

25
24
20
19
20
19
18
16
13
11
9
2
4
9
12
38
55
70
85
94
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.6
0.6
0.6
0.9

Wind Speed/Direction (mph)

13
12
10
9
7
7
7
6
6
6
6
7
8
9
10
12
13
15
16
15
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
80
79
79
77
77
79
83
85
86
89
93
94
96
98
96
96
96
96
94
94
96
96

Pressure (mb)

1007
1008
1009
1010
1010
1011
1012
1012
1012
1012
1012
1011
1011
1010
1009
1008
1006
1004
1002
1001
1000
999
999
998

Ozone (du)

392
390
388
387
382
377
372
368
363
359
354
349
345
341
337
333
330
327
324
324
323
323
320
318

Sunday 11

Waning Crescent 35%

03:07

11:52

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: 08:42, Set: 16:50, Transit: 12:46. Moon - Rise: 03:07, Set: 11:52. Civil Dark: 17:29 - 08:02. Nautical Dark: 18:12 - 07:19. Astro Dark: 18:53 - 06:39

Total Clouds (% Sky Obscured)

85
83
82
88
93
100
100
100
100
98
97
95
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

85
82
76
74
71
68
78
89
100
97
93
90
81
71
61
68
76
85

Medium Clouds (% Sky Obscured)

47
49
51
59
71
83
89
95
100
95
90
82
74
66
58
64
73
78

High Clouds (% Sky Obscured)

10
15
10
40
72
100
100
100
100
85
80
85
90
95
90
90
90
95

ISS Passover

Visibility (miles)

2
3
3
4
3
3
3
5
7
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

Precipitation Type

Light Rain
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

Precipitation Probability (%)

95
95
81
83
80
75
82
92
95
92
78
55
38
25
11
12
15
19

Precipitation Amount (mm)

0.8
0.7
0.5
0.5
0.4
0.4
0.5
0.6
0.8
0.6
0.4
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
11
11
11
12
12
13
13
14
13
14
14
14
13
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
94
93
94
94
94
93
93
88
87
84
85
88
90
90
90

Pressure (mb)

997
997
996
996
996
996
995
995
994
994
994
994
994
995
995
995
995
995

Ozone (du)

315
314
312
311
307
304
300
300
300
300
303
306
309
310
311
313
313
313

Forecast for Amersfoort, Gemeente Amersfoort, Netherlands (52.16,5.39)

Generated: 05/01/26 13:45:05. Forecast: 05/01/26 to 11/01/26. Timezone: UTC+1.00