Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 26

Waxing Gibbous 64%

12:00

04:08

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

Sun - Rise: 06:41, Set: 19:10, Transit: 12:55. Moon - Rise: 12:00, Set: 04:08. Civil Dark: 19:39 - 06:12. Nautical Dark: 20:12 - 05:38. Astro Dark: 20:47 - 05:04

Total Clouds (% Sky Obscured)

100
97
100
88
86
100
67
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
100

Low Clouds (% Sky Obscured)

44
57
61
70
69
59
13
3
0
0
0
1
0
38
100
63
46
100
100
100
49
91
78
100

Medium Clouds (% Sky Obscured)

76
76
71
60
56
73
56
76
94
100
100
100
100
100
100
100
92
100
100
73
71
53
56
44

High Clouds (% Sky Obscured)

33
35
4
0
0
35
66
89
100
100
100
100
100
100
100
100
100
100
93
100
96
95
86
86

ISS Passover

Visibility (miles)

9
9
9
9
9
6
9
9
9
9
9
9
9
9
9
5
1
0
1
5
9
8
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
9
2

Precipitation Type

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

Precipitation Probability (%)

24
10
18
22
38
23
0
0
0
0
0
5
20
63
95
95
95
95
95
57
42
15
11
3

Precipitation Amount (mm)

0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
1.1
3.7
6.1
2.8
0.6
0
0
0
0
0

Wind Speed/Direction (mph)

8
6
6
5
6
6
5
8
10
11
10
9
7
4
2
4
6
4
3
3
3
7
8
9

Chance of Frost

Temperature (°C)

3
4
3
3
5
7
9
11
16
16
16
16
16
15
13
12
10
9
9
9
9
9
8
7

Feels Like (°C)

-1
1
-0
-1
3
4
7
8
12
12
12
13
14
13
12
11
8
8
8
8
8
6
5
4

Dew Point (°C)

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

Relative Humidity (%)

79
88
85
86
80
76
80
64
61
61
61
63
64
73
84
93
98
100
98
98
98
93
93
88

Pressure (mb)

1014
1014
1013
1012
1011
1011
1010
1009
1008
1007
1007
1007
1006
1006
1005
1005
1005
1003
1003
1002
1002
1003
1004
1005

Ozone (du)

375
374
373
365
359
355
351
349
344
340
337
327
322
317
314
311
309
304
302
297
296
288
287
286

Friday 27

Waxing Gibbous 74%

13:16

04:41

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

Sun - Rise: 06:39, Set: 19:11, Transit: 12:55. Moon - Rise: 13:16, Set: 04:41. Civil Dark: 19:40 - 06:10. Nautical Dark: 20:14 - 05:36. Astro Dark: 20:48 - 05:00

Total Clouds (% Sky Obscured)

100
100
95
76
65
70
40
59
42
50
45
45
55
0
0
0
0
0
0
19
52
69
43
38

Low Clouds (% Sky Obscured)

100
95
87
44
17
11
6
0
0
0
0
0
0
0
0
0
0
0
0
2
3
4
22
38

Medium Clouds (% Sky Obscured)

36
30
9
73
24
22
3
17
2
44
45
7
0
0
0
0
0
0
0
18
52
69
43
34

High Clouds (% Sky Obscured)

100
75
29
30
30
44
35
59
42
45
30
30
50
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 (%)

1
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
2
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-1
-3
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-4
-2
-3
-4
-5
-5
-6
-7
-8
-8
-9

Dew Point (°C)

3
1
-1
-3
-5
-6
-8
-10
-11
-12
-12
-12
-12
-11
-10
-9
-8
-9
-9
-10
-11
-12
-13
-13

Relative Humidity (%)

86
83
80
77
66
59
51
42
36
33
32
33
34
38
47
57
62
62
63
63
60
56
53
51

Pressure (mb)

1007
1009
1011
1013
1015
1017
1017
1018
1018
1018
1018
1019
1019
1019
1021
1022
1023
1023
1023
1023
1024
1024
1024
1025

Ozone (du)

284
284
285
286
286
288
290
292
291
289
292
294
297
299
301
308
314
323
330
340
352
358
365
372

Saturday 28

Waxing Gibbous 83%

14:32

05:07

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

Sun - Rise: 06:37, Set: 19:12, Transit: 12:55. Moon - Rise: 14:32, Set: 05:07. Civil Dark: 19:41 - 06:08. Nautical Dark: 20:15 - 05:35. Astro Dark: 20:50 - 04:57

Total Clouds (% Sky Obscured)

37
35
48
43
35
40
40
48
44
63
90
98
100
99
67
77
32
12
6
13
13
12
12
14

Low Clouds (% Sky Obscured)

37
35
48
43
35
40
40
48
44
63
90
97
83
96
67
76
32
12
5
13
13
12
12
14

Medium Clouds (% Sky Obscured)

21
35
9
5
2
1
0
0
0
0
27
39
65
38
22
26
0
0
0
0
0
1
2
2

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
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
2
0
0
0
0
5
0
0
0
0
0
0
0
0
0
1
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)

5
5
4
5
6
8
10
10
10
11
10
9
10
10
8
6
6
7
6
4
3
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-14
-14
-15
-16
-17
-17
-17
-17
-15
-17
-17
-15
-14
-13
-12
-13
-13
-13
-12
-12
-12
-12

Relative Humidity (%)

51
51
51
49
41
35
32
30
28
29
33
28
28
32
38
45
47
45
45
49
52
55
56
58

Pressure (mb)

1025
1026
1027
1028
1028
1028
1029
1029
1028
1028
1028
1028
1028
1029
1029
1030
1031
1031
1032
1032
1032
1033
1033
1033

Ozone (du)

374
378
388
393
396
408
413
431
445
472
491
508
519
525
517
503
489
482
477
470
467
467
465
458

Sunday 29

Waxing Gibbous 91%

15:45

05:07

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

Sun - Rise: 06:35, Set: 19:14, Transit: 12:54. Moon - Rise: 15:45, Set: 05:07. Civil Dark: 19:42 - 06:07. Nautical Dark: 20:16 - 05:33. Astro Dark: 20:51 - 04:55

Total Clouds (% Sky Obscured)

21
14
12
16
21
27
31
41
58
91
97
100
100
100
100
99
99
98
81
63
44
47
47
42

Low Clouds (% Sky Obscured)

17
7
11
13
12
16
15
13
12
83
91
85
61
58
23
35
7
5
3
5
13
26
12
2

Medium Clouds (% Sky Obscured)

4
4
3
5
6
7
14
23
35
34
47
57
79
100
60
87
99
97
72
38
10
5
5
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
32
64
98
71
42
13
11
8
5
12
23
35
38
41
42

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 (%)

4
5
1
3
3
0
0
0
0
0
0
0
1
1
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)

3
4
4
4
5
6
7
8
10
11
10
10
9
7
6
5
6
6
7
6
6
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-11
-12
-13
-13
-11
-10
-10
-9
-8
-7
-7
-6
-4
-3
-3
-3
-3
-3
-2
-2
-2
-1

Relative Humidity (%)

59
60
61
50
40
35
35
33
30
32
34
34
35
41
52
61
64
67
70
74
78
81
84
91

Pressure (mb)

1034
1034
1034
1034
1034
1034
1033
1032
1031
1030
1029
1028
1028
1027
1028
1028
1027
1027
1027
1027
1026
1026
1025
1025

Ozone (du)

455
453
454
454
448
440
434
431
430
425
412
402
403
400
397
395
394
393
392
390
388
387
387
387

Monday 30

Waxing Gibbous 96%

16:55

05:29

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: 06:33, Set: 19:15, Transit: 12:54. Moon - Rise: 16:55, Set: 05:29. Civil Dark: 19:43 - 06:05. Nautical Dark: 20:17 - 05:31. Astro Dark: 20:53 - 04:53

Total Clouds (% Sky Obscured)

63
85
99
98
96
88
95
94
94
96
97
99
96
94
92
91
91
90
83
72
68
60
61
65

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
1
11
1
15
20
16
23
34
43
52
61
55
54
51
32
14
0

Medium Clouds (% Sky Obscured)

34
64
94
75
59
39
58
79
91
90
89
86
50
79
71
56
42
28
20
11
0
2
7
15

High Clouds (% Sky Obscured)

43
43
43
56
71
81
81
81
78
83
89
93
87
82
77
65
43
22
24
26
30
48
61
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
9
9
7
5
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
Very Light Rain
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
31
74
49
52
63
40
36
30
18
21
20
15
19
16
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0
0
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-0
0
1
4
7
10
12
13
14
15
12
11
11
11
11
11
10
10
9
8
8
6
5

Feels Like (°C)

-3
-3
-3
-2
1
4
7
7
9
11
11
9
8
8
8
8
8
7
7
6
6
6
4
3

Dew Point (°C)

-2
-1
-1
-2
-1
0
0
1
3
7
8
10
10
9
10
9
9
9
9
8
7
7
5
4

Relative Humidity (%)

92
94
92
81
71
63
50
46
52
63
61
87
91
91
93
91
91
91
91
91
93
93
94
94

Pressure (mb)

1024
1024
1023
1023
1022
1021
1020
1018
1017
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1017
1018

Ozone (du)

387
386
385
384
381
380
379
379
377
374
370
370
368
367
365
363
363
363
363
362
360
359
358
356

Tuesday 31

Waxing Gibbous 99%

18:03

05:49

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: 06:32, Set: 19:16, Transit: 12:54. Moon - Rise: 18:03, Set: 05:49. Civil Dark: 19:45 - 06:03. Nautical Dark: 20:19 - 05:29. Astro Dark: 20:54 - 04:51

Total Clouds (% Sky Obscured)

60
65
70
70
70
70
70
65
60
61
61
62
52
73
73
86
92
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
5
5
5
5
5
5
0
0
0
0
0
0
0
0
0
0
33
68
100
100
100
100

Medium Clouds (% Sky Obscured)

45
65
70
70
70
70
70
65
60
61
61
62
52
73
73
81
85
83
87
92
97
98
99
100

High Clouds (% Sky Obscured)

60
65
45
25
25
0
0
60
60
60
55
30
32
29
18
39
70
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
8
8
7
7
7
8
7
7
6
6
6
6
7
8
9
8
6
4
3
2
1
1
2

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

Precipitation Probability (%)

0
0
0
14
20
26
58
76
89
92
94
94
82
67
45
41
35
27
41
48
57
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.3
0.5
0.5
0.6
0.6
0.5
0.3
0
0
0
0
0
0
0.2
0.8
1.4
2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
96
94
94
94
94
94
94
96
96
96
96
96
98
96
96
96
98
96
98
98
98

Pressure (mb)

1019
1020
1021
1023
1023
1023
1024
1023
1023
1023
1023
1023
1023
1023
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

355
356
356
357
356
355
354
353
351
350
349
348
347
348
349
350
351
352
353
350
348
346
345
344

Wednesday 1

Full Moon 100%

19:10

06:07

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

Sun - Rise: 06:30, Set: 19:17, Transit: 12:54. Moon - Rise: 19:10, Set: 06:07. Civil Dark: 19:46 - 06:01. Nautical Dark: 20:20 - 05:27. Astro Dark: 20:56 - 04:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
80
59
39
39
36
32
31
44
40
40
34
22
27
29
34
48
70
99

High Clouds (% Sky Obscured)

100
100
100
96
95
96
99
99
100
78
61
45
52
48
31
45
71
100
67
37
10

ISS Passover

Visibility (miles)

2
2
2
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2

Fog (%)

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

Precipitation Probability (%)

95
95
95
95
95
84
71
52
29
29
25
13
16
16
12
26
39
58
82
95
95

Precipitation Amount (mm)

1.8
1.7
1.7
1.4
1
0.6
0.5
0.2
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-1
-1
-1
-1
-1
-0
0
1
2
2
2
3
4
5
6
8
9

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
0
1
2
2
2
3
4
5
6
8
9

Relative Humidity (%)

98
98
98
98
98
96
98
98
96
96
98
98
100
98
100
100
100
100
100
100
96

Pressure (mb)

1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1021
1021
1020
1020
1019
1019
1018
1018
1017

Ozone (du)

343
342
341
339
339
339
338
338
337
337
337
337
337
337
338
338
338
337
337
337
338

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

Generated: 26/03/26 05:58:39. Forecast: 26/03/26 to 01/04/26. Timezone: UTC-4.00