Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 9

Third Quarter 43%

03:18

10:35

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: 08:02, Set: 17:41, Transit: 12:52. Moon - Rise: 03:18, Set: 10:35. Civil Dark: 18:16 - 07:26. Nautical Dark: 18:56 - 06:46. Astro Dark: 19:36 - 06:07

Total Clouds (% Sky Obscured)

98
97
98
95
94
99
95
96
82
90
100
83
82
100
96
95
91
93
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

55
63
67
61
60
56
54
50
47
56
59
49
36
29
26
21
31
54
100
100
100
91
100
100

Medium Clouds (% Sky Obscured)

75
85
76
74
69
98
69
44
10
26
60
23
78
84
55
81
90
91
93
87
34
42
40
24

High Clouds (% Sky Obscured)

43
58
80
73
46
98
42
70
46
39
100
34
11
100
20
20
20
21
3
70
13
7
5
5

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
1
4
3
0
0
0
1
1
3
9
11
13
7
13
21

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
78
82
80
82
85
88
93
93
93
93
93
93
93
93
91
91
89
82
76
78
85
85
87

Pressure (mb)

1004
1004
1003
1003
1003
1003
1002
1002
1001
1001
1000
1000
999
998
998
997
997
997
996
996
995
994
993
993

Ozone (du)

433
428
415
420
426
425
421
416
411
412
410
413
399
388
385
382
378
380
391
409
407
404
403
402

Tuesday 10

Waning Crescent 34%

04:29

11:06

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: 08:00, Set: 17:43, Transit: 12:52. Moon - Rise: 04:29, Set: 11:06. Civil Dark: 18:18 - 07:24. Nautical Dark: 18:58 - 06:44. Astro Dark: 19:37 - 06:05

Total Clouds (% Sky Obscured)

100
100
98
95
97
99
100
92
99
100
100
98
97
100
99
100
100
100
100
98
96
98
100
100

Low Clouds (% Sky Obscured)

100
80
88
79
83
85
88
72
66
72
70
87
91
93
85
88
90
92
87
86
90
90
100
95

Medium Clouds (% Sky Obscured)

45
42
64
42
40
55
63
21
85
90
99
96
94
100
96
100
52
47
40
41
28
42
42
54

High Clouds (% Sky Obscured)

14
92
54
12
43
69
87
65
93
100
100
63
44
42
18
14
100
100
79
5
10
50
100
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
9
5
0
0
5
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
Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain

Precipitation Probability (%)

33
34
33
27
13
32
53
27
10
15
30
49
66
90
93
57
45
53
47
34
21
24
38
56

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0
0
0
0
0
0.3
0.6
0.6
0
0
0.2
0.2
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
91
93
94
96
96
96
96
96
96
96
96
96
96
98
100
98
98
96
95
90
90
88

Pressure (mb)

992
992
991
990
990
989
988
988
987
986
986
985
985
984
984
984
984
985
985
985
985
985
985
984

Ozone (du)

404
398
389
380
376
375
372
366
364
361
362
364
365
365
362
363
368
369
372
384
393
398
399
400

Wednesday 11

Waning Crescent 25%

05:31

11:50

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: 07:58, Set: 17:45, Transit: 12:52. Moon - Rise: 05:31, Set: 11:50. Civil Dark: 18:20 - 07:23. Nautical Dark: 19:00 - 06:43. Astro Dark: 19:39 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
100
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

98
97
98
99
89
89
85
64
36
44
57
76
67
76
88
82
78
80
80
80
88
87
86
86

Medium Clouds (% Sky Obscured)

86
100
99
47
40
30
25
62
89
90
70
74
90
94
100
100
100
99
97
100
100
99
98
95

High Clouds (% Sky Obscured)

91
90
1
10
10
10
41
100
100
100
100
100
100
100
100
98
100
100
86
74
100
84
23
30

ISS Passover

Visibility (miles)

5
7
3
9
9
9
9
9
9
9
9
8
6
9
7
4
5
5
7
9
9
6
9
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
None
None

Precipitation Probability (%)

80
95
95
65
40
21
8
8
15
34
41
48
44
46
66
74
74
56
41
28
37
52
41
38

Precipitation Amount (mm)

0.4
1.2
0.9
0.4
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
91
88
87
88
88
87
91
93
96
96
96
96
96
96
96
96
94
91
87
91
93
90

Pressure (mb)

984
984
984
984
983
983
982
981
980
979
978
977
976
976
976
976
976
977
978
978
979
979
980
980

Ozone (du)

401
396
383
371
362
362
361
360
358
359
358
357
364
373
383
397
409
411
408
411
412
416
423
427

Thursday 12

Waning Crescent 17%

06:21

12:49

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: 07:56, Set: 17:46, Transit: 12:52. Moon - Rise: 06:21, Set: 12:49. Civil Dark: 18:22 - 07:21. Nautical Dark: 19:01 - 06:41. Astro Dark: 19:41 - 06:02

Total Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
99
99
100
100
99
99
99
99
100
100
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

83
82
81
84
88
93
94
95
96
92
87
83
86
90
94
90
88
84
83
82
81
79
77
77

Medium Clouds (% Sky Obscured)

92
94
90
100
100
100
94
96
95
61
99
100
99
98
98
57
91
100
97
93
89
80
61
64

High Clouds (% Sky Obscured)

18
26
35
29
16
10
20
34
69
51
38
24
18
7
0
14
27
42
51
62
72
81
91
98

ISS Passover

Visibility (miles)

9
9
9
9
9
4
9
9
9
9
9
8
9
9
8
9
9
9
5
0
0
5
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
Very Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
23
27
23
54
66
37
51
50
44
51
59
44
41
45
27
31
15
22
26
25
27
33
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
7
6
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
6
6
7
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
93
93
94
94
91
93
91
91
93
91
93
94
94
94
94
96
96
94
90
85
81

Pressure (mb)

981
982
982
983
983
984
984
984
985
985
985
985
985
985
985
985
986
986
986
987
987
987
988
988

Ozone (du)

435
434
434
437
437
437
438
440
436
437
444
452
454
456
456
457
458
455
452
448
445
443
440
440

Friday 13

Waning Crescent 10%

06:58

13:59

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: 07:54, Set: 17:48, Transit: 12:52. Moon - Rise: 06:58, Set: 13:59. Civil Dark: 18:23 - 07:19. Nautical Dark: 19:03 - 06:39. Astro Dark: 19:42 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
98
98
96
86
86
91
94
88
96
89
87
82
80
78
71
68
61
54

Low Clouds (% Sky Obscured)

79
80
81
84
67
80
72
81
79
76
78
78
73
73
84
80
82
82
80
71
56
36
39
39

Medium Clouds (% Sky Obscured)

59
56
78
59
94
91
75
65
66
47
50
49
44
32
22
16
16
10
5
2
1
1
0
0

High Clouds (% Sky Obscured)

99
100
100
99
100
100
78
55
33
40
46
53
38
21
5
13
11
8
5
3
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 (%)

31
27
27
18
14
7
11
13
10
12
11
6
10
11
8
35
26
16
12
11
12
14
14
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)

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

Chance of Frost

Temperature (°C)

7
6
6
5
4
4
3
2
2
1
1
0
0
0
1
1
1
2
2
3
3
4
4
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
79
83
88
89
85
77
78
80
83
83
83
83
80
71
67
61
58
55
54
52
54
57

Pressure (mb)

988
989
990
991
992
993
993
994
995
996
997
997
998
999
1000
1001
1004
1005
1007
1008
1009
1011
1012
1013

Ozone (du)

441
443
443
439
435
441
446
451
454
454
454
458
458
460
463
465
468
470
472
470
468
466
463
460

Saturday 14

Waning Crescent 5%

07:25

15:18

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

Sun - Rise: 07:52, Set: 17:50, Transit: 12:52. Moon - Rise: 07:25, Set: 15:18. Civil Dark: 18:25 - 07:17. Nautical Dark: 19:05 - 06:37. Astro Dark: 19:44 - 05:58

Total Clouds (% Sky Obscured)

45
40
32
23
12
1
2
4
5
20
45
62
63
68
69
65
61
53
44
40
32
50
65
83

Low Clouds (% Sky Obscured)

31
21
16
8
6
1
2
1
0
4
8
12
14
16
17
13
9
6
5
4
3
30
51
55

Medium Clouds (% Sky Obscured)

1
2
3
2
1
0
0
0
0
2
4
5
19
33
43
44
39
35
39
40
32
50
65
83

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
3
12
22
25
15
15
14
10
10
10
10
10
10
19
24
33

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 (%)

15
14
3
7
6
0
1
2
0
1
2
0
1
2
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)

14
12
10
8
7
6
6
5
5
4
4
4
5
5
5
5
6
7
7
9
11
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
65
73
81
83
83
84
84
84
84
84
83
81
83
84
84
80
75
71
64
57
51
51
51

Pressure (mb)

1014
1015
1016
1016
1017
1018
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1019
1018
1018

Ozone (du)

457
451
445
439
433
427
421
415
409
403
402
400
398
394
391
387
384
381
377
376
375
374
375
375

Sunday 15

Waning Crescent 1%

07:44

No Set

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: 07:50, Set: 17:52, Transit: 12:52. Moon - Rise: 07:44, Set: No Set. Civil Dark: 18:27 - 07:15. Nautical Dark: 19:07 - 06:36. Astro Dark: 19:46 - 05:56

Total Clouds (% Sky Obscured)

89
94
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
99
97
96

Low Clouds (% Sky Obscured)

40
30
20
26
33
41
55
74
90
93
97
100
100
100
100
96
91
87
88
88
89

Medium Clouds (% Sky Obscured)

89
94
100
100
99
99
99
100
100
97
94
91
80
72
58
57
61
56
65
73
82

High Clouds (% Sky Obscured)

55
78
100
75
55
32
48
57
56
46
55
65
70
75
80
56
32
9
8
10
7

ISS Passover

Visibility (miles)

9
9
9
9
8
6
5
5
6
7
5
2
0
2
3
5
6
8
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Sleet
Light Rain

Precipitation Probability (%)

0
0
0
2
7
14
31
44
53
71
83
91
92
95
95
95
95
95
95
89
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.1
0.2
0.4
0.5
0.6
0.6
0.6
0.8
0.9
0.9
0.7
0.6
0.5
0.4

Wind Speed/Direction (mph)

11
11
11
11
11
12
13
13
13
14
13
13
13
11
10
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-7
-7
-7
-6
-5
-4
-3
-2
-1
-1
0
1
1
2
2
2
3
3
3
3

Relative Humidity (%)

50
50
51
51
59
67
75
81
89
94
94
98
98
98
98
98
98
96
96
93
88

Pressure (mb)

1017
1016
1016
1015
1014
1013
1013
1012
1011
1010
1009
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005

Ozone (du)

376
375
374
373
373
374
374
377
380
382
386
389
392
395
397
399
399
399
399
397
395

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

Generated: 09/02/26 16:14:56. Forecast: 09/02/26 to 15/02/26. Timezone: UTC+1.00