Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

Waxing Crescent 40%

No Rise

02:29

10 OK
11 OK
12 OK
13 OK
14 OK
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 OK

Sun - Rise: 06:42, Set: 19:08, Transit: 12:56. Moon - Rise: No Rise, Set: 02:29. Civil Dark: 19:36 - 06:14. Nautical Dark: 20:10 - 05:40. Astro Dark: 20:44 - 05:06

Total Clouds (% Sky Obscured)

25
27
26
25
24
97
100
100
100
92
92
82
52
51
55
77
54
97
73
67
79
77
68
43

Low Clouds (% Sky Obscured)

25
27
26
0
0
0
0
0
0
1
18
14
4
12
4
22
17
9
18
24
26
0
14
9

Medium Clouds (% Sky Obscured)

0
0
0
0
23
97
100
100
100
91
89
77
49
38
37
25
0
1
1
55
71
2
2
12

High Clouds (% Sky Obscured)

0
0
0
0
1
15
94
65
4
16
10
7
6
9
33
63
53
96
63
59
67
77
68
43

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
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
4
10
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)

8
7
6
6
5
6
9
8
7
6
5
5
5
6
9
8
6
4
3
3
3
2
2
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-12
-13
-14
-12
-12
-11
-10
-8
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-5
-5
-5
-6
-7

Relative Humidity (%)

44
36
31
28
26
26
27
32
40
48
52
54
56
58
56
60
62
66
70
74
77
76
67
58

Pressure (mb)

1028
1028
1027
1026
1026
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1027
1027
1028

Ozone (du)

399
396
393
391
389
388
391
395
398
402
404
405
406
407
411
426
440
447
449
453
455
454
455
451

Wednesday 25

First Quarter 52%

10:49

03:25

10 OK
11 Bad
12 OK
13 Bad
14 Bad
15 OK
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: 06:41, Set: 19:09, Transit: 12:56. Moon - Rise: 10:49, Set: 03:25. Civil Dark: 19:37 - 06:12. Nautical Dark: 20:11 - 05:38. Astro Dark: 20:46 - 05:04

Total Clouds (% Sky Obscured)

45
87
39
78
79
44
86
95
63
98
100
100
100
100
99
100
99
98
98
100
100
100
94
90

Low Clouds (% Sky Obscured)

12
0
0
0
0
0
5
3
40
67
69
65
73
71
92
86
87
92
82
86
92
93
92
90

Medium Clouds (% Sky Obscured)

20
27
20
32
65
27
73
62
46
86
100
100
100
98
99
99
98
96
95
64
65
94
85
17

High Clouds (% Sky Obscured)

45
87
39
78
79
44
73
92
60
88
100
100
59
50
0
0
0
0
0
2
0
0
1
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
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
Light Rain
Very Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
7
12
33
53
44
50
33
33
95
64
75
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.1
0.3
0.7
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
4
6
7
8
9
9
9
9
7
6
5
5
4
4
4
3
3
2
2
2
3
3
4

Feels Like (°C)

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

Dew Point (°C)

-8
-9
-8
-8
-8
-7
-5
-2
0
1
-0
0
1
1
2
2
2
2
2
2
2
2
3
4

Relative Humidity (%)

47
41
37
34
31
32
35
45
56
64
66
68
73
77
86
89
96
98
98
98
98
98
98
98

Pressure (mb)

1028
1027
1026
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1021
1020
1020
1019
1018
1017
1016
1016
1015
1014
1013

Ozone (du)

444
440
436
430
425
417
411
406
402
402
411
415
412
410
407
397
391
388
386
385
385
383
380
383

Thursday 26

Waxing Gibbous 64%

12:00

04:08

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: 06:39, Set: 19:10, Transit: 12:55. Moon - Rise: 12:00, Set: 04:08. Civil Dark: 19:39 - 06:10. Nautical Dark: 20:12 - 05:36. Astro Dark: 20:47 - 05:02

Total Clouds (% Sky Obscured)

85
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
97
96
98
100
95
91

Low Clouds (% Sky Obscured)

85
83
90
86
51
46
54
65
58
63
64
72
87
94
100
100
98
71
82
90
96
100
93
85

Medium Clouds (% Sky Obscured)

26
81
88
100
100
100
100
100
86
59
77
62
85
100
95
92
55
56
61
64
65
38
20
35

High Clouds (% Sky Obscured)

25
100
80
100
100
100
99
100
100
100
91
100
100
100
98
86
99
100
83
75
31
28
60
70

ISS Passover

Visibility (miles)

5
5
9
9
9
9
9
9
9
9
5
9
8
2
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
15
3
0
0
21
36
4
10
51
58
66
95
95
95
95
61
44
28
30
34
12
4
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
1
0.9
0.7
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
7
10
12
13
13
13
13
12
11
10
11
11
12
11
11
10
10
9
8
7
5
3
3

Feels Like (°C)

2
4
7
8
10
10
11
11
11
9
8
9
8
9
8
9
8
8
8
6
4
2
-0
-2

Dew Point (°C)

4
6
7
9
10
8
8
9
10
10
9
10
10
11
9
9
9
9
9
7
6
4
2
-0

Relative Humidity (%)

94
93
78
83
83
70
71
77
86
90
91
93
93
92
86
88
95
96
98
91
90
90
88
82

Pressure (mb)

1012
1011
1010
1009
1008
1008
1008
1007
1007
1006
1006
1005
1003
1001
1001
1000
1001
1002
1002
1003
1004
1006
1008
1010

Ozone (du)

376
374
365
361
349
348
342
335
332
329
326
323
318
310
309
305
301
300
299
301
300
298
293
289

Friday 27

Waxing Gibbous 74%

13:16

04:41

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

Sun - Rise: 06:37, Set: 19:11, Transit: 12:55. Moon - Rise: 13:16, Set: 04:41. Civil Dark: 19:40 - 06:08. Nautical Dark: 20:14 - 05:35. Astro Dark: 20:48 - 05:00

Total Clouds (% Sky Obscured)

87
79
79
75
70
21
70
65
31
0
0
0
0
1
2
8
15
11
15
20
13
13
15
15

Low Clouds (% Sky Obscured)

33
39
7
3
4
10
10
4
1
0
0
0
0
1
2
8
15
11
15
20
13
13
15
15

Medium Clouds (% Sky Obscured)

0
14
64
65
70
17
42
0
0
0
0
0
0
0
0
0
0
0
0
18
0
0
0
0

High Clouds (% Sky Obscured)

45
45
55
11
0
0
35
30
14
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
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 (%)

3
4
4
0
1
0
0
0
0
0
0
0
0
1
0
0
0
1
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)

13
14
15
15
14
13
13
12
11
9
8
8
8
8
7
7
7
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

2
2
3
3
3
3
2
1
-0
-2
-3
-4
-5
-6
-6
-6
-7
-7
-7
-8
-8
-8
-7
-6

Feels Like (°C)

-3
-3
-4
-4
-3
-3
-3
-5
-6
-6
-6
-6
-8
-8
-9
-9
-10
-10
-10
-11
-12
-12
-11
-10

Dew Point (°C)

-2
-4
-6
-7
-8
-8
-9
-10
-11
-10
-10
-11
-11
-12
-13
-13
-14
-14
-15
-16
-17
-17
-17
-17

Relative Humidity (%)

73
63
54
48
45
44
44
45
45
53
58
60
60
58
60
59
58
56
52
50
49
49
46
40

Pressure (mb)

1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1023
1023
1024
1025
1025
1026
1026
1027
1027
1027
1028
1029
1029
1029

Ozone (du)

287
289
289
290
292
294
298
299
301
303
306
312
315
322
326
337
341
345
357
362
369
381
387
392

Saturday 28

Waxing Gibbous 83%

14:32

05:07

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

Sun - Rise: 06:35, Set: 19:12, Transit: 12:55. Moon - Rise: 14:32, Set: 05:07. Civil Dark: 19:41 - 06:07. Nautical Dark: 20:15 - 05:33. Astro Dark: 20:50 - 04:57

Total Clouds (% Sky Obscured)

13
15
20
20
31
46
57
60
58
44
37
47
60
66
56
39
86
86
82
81
81
72
67
61

Low Clouds (% Sky Obscured)

13
15
20
20
31
32
35
30
25
12
16
31
48
54
55
39
20
34
47
61
76
72
67
61

Medium Clouds (% Sky Obscured)

1
0
0
0
11
30
40
31
27
28
24
19
35
12
13
0
85
85
65
34
10
9
7
6

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
2
5
8
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
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
12
19
20
18
10
5
17
19
14
18
17
4
4
3
2
26
37
45
43
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-8
-7
-6
-6
-5
-6
-7
-6
-6
-4
-5
-6
-7
-8
-7
-7
-5
-6
-5
-6
-6
-6
-4

Dew Point (°C)

-17
-17
-17
-16
-14
-13
-12
-12
-14
-12
-10
-10
-11
-12
-12
-12
-12
-11
-11
-12
-11
-10
-10
-11

Relative Humidity (%)

35
33
31
31
33
38
41
42
36
43
55
56
57
50
49
51
51
52
53
53
53
55
54
46

Pressure (mb)

1029
1029
1029
1028
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1029
1029
1030
1027
1027
1026
1027
1027
1027
1027

Ozone (du)

396
400
403
408
416
426
438
454
473
498
515
521
523
516
506
502
495
492
488
484
480
476
471
465

Sunday 29

Waxing Gibbous 91%

15:45

05:29

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

Sun - Rise: 06:33, Set: 19:14, Transit: 12:54. Moon - Rise: 15:45, Set: 05:29. Civil Dark: 19:42 - 06:05. Nautical Dark: 20:16 - 05:31. Astro Dark: 20:51 - 04:55

Total Clouds (% Sky Obscured)

65
68
70
72
68
64
59
41
24
6
4
3
2
11
19
28
47
75
95
91
92
93
85
85

Low Clouds (% Sky Obscured)

51
55
60
64
63
62
59
41
24
6
4
3
0
0
0
0
8
18
33
49
63
70
64
70

Medium Clouds (% Sky Obscured)

2
1
1
0
0
0
0
0
0
0
0
0
0
10
19
28
47
65
84
89
92
93
85
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
5
5
11
20
22
25
25
25
25
25
15

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 (%)

30
29
26
13
14
10
1
2
1
0
0
0
0
0
0
0
0
0
0
0
1
1
5
6

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
10
11
11
13
12
11
11
9
6
4
4
3
4
3
3
3
3
2
2
2
3
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-13
-13
-14
-15
-14
-14
-14
-13
-12
-10
-10
-9
-9
-9
-10
-10
-10
-11
-11
-11
-12
-12
-11

Relative Humidity (%)

39
33
30
26
24
25
26
26
32
38
46
49
53
56
56
56
57
55
54
52
51
48
45
44

Pressure (mb)

1027
1027
1027
1027
1027
1027
1028
1028
1029
1029
1030
1030
1031
1031
1032
1032
1032
1032
1031
1031
1031
1031
1031
1030

Ozone (du)

458
451
449
447
444
442
441
439
437
435
433
429
426
423
419
416
412
408
403
399
396
394
392
389

Monday 30

Waxing Gibbous 96%

16:55

05:49

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

Sun - Rise: 06:32, Set: 19:15, Transit: 12:54. Moon - Rise: 16:55, Set: 05:49. Civil Dark: 19:43 - 06:03. Nautical Dark: 20:17 - 05:29. Astro Dark: 20:53 - 04:53

Total Clouds (% Sky Obscured)

87
87
91
93
96
98
99
99
99
96
96
95
91
92
96
99
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
81
91
93
96
98
99
98
96
95
93
92
91
92
96
97
96
95
94
95
95
94

Medium Clouds (% Sky Obscured)

87
87
90
90
90
90
95
97
94
90
82
73
64
61
59
56
56
56
56
71
85
100

High Clouds (% Sky Obscured)

5
5
15
20
20
25
25
25
15
10
0
0
0
14
26
55
76
73
70
80
90
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

2
9
14
21
56
78
93
89
78
63
61
58
59
57
48
34
65
88
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0.2
0.4
0.6
0.6
0.4
0.2
0.2
0.2
0
0.2
0
0
0.3
0.5
0.7
1
1
1

Wind Speed/Direction (mph)

8
10
11
11
12
12
12
12
11
10
10
9
9
9
8
7
6
6
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-9
-6
-4
-1
0
2
3
3
4
4
4
4
4
5
5
5
5
6
6
6
7

Relative Humidity (%)

42
41
47
54
61
71
82
94
91
90
86
88
88
90
91
93
94
94
94
96
94
93

Pressure (mb)

1029
1028
1027
1026
1024
1024
1023
1022
1022
1022
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1019

Ozone (du)

387
385
384
382
381
378
375
373
371
370
368
366
365
363
363
363
362
361
359
357
357
358

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 24/03/26 10:52:15. Forecast: 24/03/26 to 30/03/26. Timezone: UTC-4.00