Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 10%

08:45

23:13

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
13 Bad
14 Bad

Sun - Rise: 07:15, Set: 19:31, Transit: 13:24. Moon - Rise: 08:45, Set: 23:13. Civil Dark: 20:00 - 06:46. Nautical Dark: 20:34 - 06:12. Astro Dark: 21:08 - 05:38

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

85
74
56
24
34
73
67
65
58
65
74
81
77
76
71
66
66
64
66
74
81
81
83
89

Medium Clouds (% Sky Obscured)

100
100
100
100
100
94
100
100
95
100
100
100
100
100
93
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
49
59
99
78
96
99
69
86
100
100
100
100
98
58
57
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
15
43
18
8
25
10
2
2
2
6
10
24
36
41
28
59
74
95
95
93
49
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.3
0.9
1.7
0.5
0
0

Wind Speed/Direction (mph)

4
4
5
8
9
10
9
10
10
10
10
9
6
6
4
3
3
3
5
6
3
4
6
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
54
58
61
71
83
89
89
88
87
87
94
96
98
98
98
96
96
93
88
93
96
94
86

Pressure (mb)

1016
1015
1014
1014
1013
1012
1012
1011
1010
1009
1008
1007
1006
1005
1004
1004
1004
1004
1005
1006
1005
1006
1006
1007

Ozone (du)

345
344
345
344
343
339
335
335
333
330
329
329
328
325
324
327
328
329
330
327
324
323
322
322

Sunday 22

Waxing Crescent 19%

09:23

00:34

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 OK
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 07:13, Set: 19:33, Transit: 13:23. Moon - Rise: 09:23, Set: 00:34. Civil Dark: 20:01 - 06:44. Nautical Dark: 20:35 - 06:11. Astro Dark: 21:09 - 05:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
95
84
66
55
53
58
48
50
26
64
83
92
74
61

Low Clouds (% Sky Obscured)

90
95
100
94
95
93
92
100
100
98
95
78
42
42
43
44
41
34
17
8
21
70
74
61

Medium Clouds (% Sky Obscured)

100
100
100
100
98
93
41
45
44
0
0
0
0
0
0
7
1
10
14
50
50
36
19
42

High Clouds (% Sky Obscured)

100
100
100
100
38
35
45
8
5
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

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

Precipitation Probability (%)

71
47
61
64
67
61
45
20
7
2
1
0
1
0
0
0
0
0
0
0
0
1
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
9
7
7
7
8
7
8
8
8
8
7
8
8
8
8
8
8
8
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
80
79
77
76
83
80
77
77
77
77
78
78
77
80
78
75
71
65
60
55
52
48
49

Pressure (mb)

1007
1008
1009
1010
1011
1012
1013
1013
1013
1013
1014
1014
1015
1015
1016
1017
1018
1019
1020
1020
1021
1021
1021
1022

Ozone (du)

322
323
323
324
323
326
329
330
332
335
337
343
346
350
354
363
368
374
378
383
387
385
385
390

Monday 23

Waxing Crescent 29%

10:13

01:51

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

Sun - Rise: 07:11, Set: 19:34, Transit: 13:23. Moon - Rise: 10:13, Set: 01:51. Civil Dark: 20:02 - 06:42. Nautical Dark: 20:36 - 06:09. Astro Dark: 21:11 - 05:34

Total Clouds (% Sky Obscured)

98
52
53
81
25
1
21
21
6
3
3
2
5
14
22
28
41
42
46
58
81
98
98
97

Low Clouds (% Sky Obscured)

63
52
53
26
2
1
21
21
5
2
3
2
5
13
22
28
28
27
28
29
35
39
41
45

Medium Clouds (% Sky Obscured)

41
30
3
73
16
0
0
0
0
0
0
0
0
0
0
8
35
40
45
53
50
95
68
92

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-9
-9
-9
-9
-11
-12
-12
-12
-12

Relative Humidity (%)

50
50
49
49
53
58
61
63
64
60
62
60
59
59
60
62
63
63
57
48
42
39
37
32

Pressure (mb)

1022
1022
1023
1024
1025
1026
1027
1027
1028
1028
1028
1028
1028
1029
1029
1029
1029
1030
1029
1029
1029
1027
1026
1026

Ozone (du)

397
400
398
394
391
388
388
386
377
379
378
378
380
386
389
388
387
386
387
388
390
390
390
393

Tuesday 24

Waxing Crescent 40%

11:15

02:59

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
13 Bad
14 Bad

Sun - Rise: 07:09, Set: 19:35, Transit: 13:23. Moon - Rise: 11:15, Set: 02:59. Civil Dark: 20:04 - 06:41. Nautical Dark: 20:37 - 06:07. Astro Dark: 21:12 - 05:32

Total Clouds (% Sky Obscured)

97
96
79
65
54
67
83
100
100
100
100
99
100
100
95
100
100
100
100
100
98
97
96
97

Low Clouds (% Sky Obscured)

48
58
74
65
54
53
43
34
2
3
3
15
28
42
42
44
45
43
44
38
32
32
32
47

Medium Clouds (% Sky Obscured)

92
94
72
48
25
25
29
35
50
67
80
77
96
100
86
92
97
100
100
100
86
97
95
97

High Clouds (% Sky Obscured)

9
14
9
5
5
37
68
100
100
100
100
99
100
100
91
100
100
100
100
81
69
50
9
35

ISS Passover

Visibility (miles)

9
9
2
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 (%)

10
14
22
9
5
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-11
-10
-10
-9
-8
-7
-6
-5
-3
-3
-2
-4
-4
-5
-5
-4
-5
-5
-6
-6
-4
-4

Relative Humidity (%)

31
30
31
35
37
41
47
54
58
65
77
81
84
75
75
75
77
78
75
71
67
66
74
71

Pressure (mb)

1025
1024
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1027
1027
1027
1027
1026
1025
1025

Ozone (du)

396
397
398
399
400
399
401
405
410
414
415
416
413
411
412
413
408
407
402
396
391
386
380
375

Wednesday 25

First Quarter 52%

12:27

03:54

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
13 Bad
14 Bad

Sun - Rise: 07:07, Set: 19:36, Transit: 13:22. Moon - Rise: 12:27, Set: 03:54. Civil Dark: 20:05 - 06:39. Nautical Dark: 20:39 - 06:05. Astro Dark: 21:14 - 05:30

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
97
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
79
81
84
86
86
86
86
85
85
86
10
15
30
28
36
43
66
78
88
94
100
100
100

Medium Clouds (% Sky Obscured)

98
100
100
99
99
95
91
87
89
92
95
95
95
92
95
97
100
100
99
99
99
99
99
98

High Clouds (% Sky Obscured)

40
59
42
48
75
87
93
100
100
100
100
97
98
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
2
9
0
0
0
0
4
1
1
1
1
2
3
4
3
1
0
2
4
6
5
3
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
Snow
Snow
Snow
Snow
Frozen rai
None
Snow
None
None
None
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

15
18
25
51
54
59
69
62
52
43
12
36
51
64
74
74
65
68
66
61
73
83
88
95

Precipitation Amount (mm)

0
0
0
0.2
0.1
0.2
0.3
0.2
0
0.1
0
0
0
0.3
0.4
0.3
0
0.3
0.3
0.2
0.3
0.4
0.4
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
80
80
83
91
89
92
92
98
96
96
96
96
98
98
100
100
98
98
96
98
96
98
98

Pressure (mb)

1024
1023
1022
1022
1021
1021
1020
1019
1018
1017
1016
1014
1016
1014
1013
1012
1011
1010
1009
1008
1007
1006
1006
1005

Ozone (du)

372
369
366
366
365
363
358
353
350
347
343
338
336
333
330
328
326
324
323
322
320
316
311
307

Thursday 26

Waxing Gibbous 64%

13:43

04:37

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
13 Bad
14 Bad

Sun - Rise: 07:06, Set: 19:37, Transit: 13:22. Moon - Rise: 13:43, Set: 04:37. Civil Dark: 20:06 - 06:37. Nautical Dark: 20:40 - 06:03. Astro Dark: 21:15 - 05:28

Total Clouds (% Sky Obscured)

100
100
98
95
93
88
84
84
90
93
96
84
73
65
72
77
81
82
83
84
76
67
60
58

Low Clouds (% Sky Obscured)

100
100
98
93
82
65
61
59
66
73
79
69
60
55
69
71
71
73
74
76
76
67
60
58

Medium Clouds (% Sky Obscured)

96
95
93
91
90
80
70
65
65
64
54
34
18
2
14
29
46
57
60
63
39
18
0
0

High Clouds (% Sky Obscured)

100
100
72
43
46
63
81
83
71
70
60
54
46
41
56
68
81
77
69
58
26
5
2
1

ISS Passover

Visibility (miles)

2
2
2
4
7
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

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

Precipitation Probability (%)

95
95
95
95
86
67
49
12
10
7
3
6
7
1
4
5
3
7
8
5
7
6
3
8

Precipitation Amount (mm)

1.1
1.4
1.1
0.8
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
5
5
1
0
-1
-0
-1
-1
-7
-8
-8
-8
-8
-8
-11
-11
-11
-11
-11
-10

Dew Point (°C)

6
6
7
5
4
2
1
-1
-2
-3
-4
-6
-7
-8
-9
-10
-11
-12
-12
-13
-14
-15
-16
-17

Relative Humidity (%)

98
98
98
94
90
85
82
79
76
76
73
71
69
67
66
64
61
59
54
50
45
40
36
31

Pressure (mb)

1004
1004
1003
1004
1005
1006
1008
1009
1010
1012
1014
1016
1017
1019
1020
1021
1023
1024
1025
1026
1027
1027
1027
1027

Ozone (du)

304
300
297
296
295
293
294
295
296
295
295
294
294
294
294
296
297
298
297
296
295
297
298
299

Friday 27

Waxing Gibbous 74%

14:59

05:10

15 Bad
16 Bad
17 Bad
18 OK
19 OK
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: 07:04, Set: 19:39, Transit: 13:22. Moon - Rise: 14:59, Set: 05:10. Civil Dark: 20:07 - 06:35. Nautical Dark: 20:41 - 06:01. Astro Dark: 21:17 - 05:26

Total Clouds (% Sky Obscured)

58
58
52
25
31
51
74
97
93
93
81
76
71
66
60
55
49

Low Clouds (% Sky Obscured)

58
58
52
25
31
51
40
29
30
31
33
37
40
42
41
33
27

Medium Clouds (% Sky Obscured)

0
0
12
25
31
36
39
40
40
55
60
55
51
44
44
44
44

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

7
2
10
10
8
12
9
7
5
1
0
1
1
1
8
8
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
10
9
9
7
6
5
5
5
5
6
6
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-16
-16
-17
-16
-15
-14
-14
-14
-15
-14
-14
-14
-13
-12
-11
-11
-10

Relative Humidity (%)

32
31
30
33
37
42
42
42
41
42
42
43
46
48
51
52
55

Pressure (mb)

1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1028
1028
1028
1027
1028
1028

Ozone (du)

302
304
307
321
335
350
362
374
385
388
391
395
401
408
414
444
474

Forecast for Old Toronto, Canada (43.65,-79.38)

Generated: 21/03/26 15:00:06. Forecast: 21/03/26 to 27/03/26. Timezone: UTC-4.00