Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 29

Waxing Gibbous 91%

16:11

05:59

06 Bad
07 Good
08 OK
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
05 Bad

Sun - Rise: 07:02, Set: 19:42, Transit: 13:22. Moon - Rise: 16:11, Set: 05:59. Civil Dark: 20:12 - 06:32. Nautical Dark: 20:47 - 05:55. Astro Dark: 21:23 - 05:19

Total Clouds (% Sky Obscured)

60
12
39
86
100
100
100
100
100
100
100
100
100
99
100
100
100
100
78
73
81
86
100
100

Low 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

Medium Clouds (% Sky Obscured)

5
12
37
39
93
76
94
100
100
100
100
100
100
99
100
100
100
100
78
70
61
53
68
62

High Clouds (% Sky Obscured)

14
12
39
86
99
98
100
100
100
93
37
75
96
99
91
95
95
45
8
5
13
36
72
100

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
79
69
64
61
57
54
51
52
55
61
71
88
91
89
91
91
89
88
86
88
89
93

Pressure (mb)

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

Ozone (du)

415
411
405
401
399
402
403
408
408
404
397
394
393
390
387
387
388
390
392
389
386
382
378
376

Monday 30

Waxing Gibbous 96%

17:23

05:59

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
05 Bad

Sun - Rise: 07:00, Set: 19:43, Transit: 13:22. Moon - Rise: 17:23, Set: 05:59. Civil Dark: 20:13 - 06:30. Nautical Dark: 20:48 - 05:53. Astro Dark: 21:25 - 05:17

Total Clouds (% Sky Obscured)

100
100
100
83
95
100
100
100
100
97
97
93
99
86
89
94
99
100
96
99
100
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
42
64
66
57
42
42
55
65
68
70
72
75
89
96
100
98

Medium Clouds (% Sky Obscured)

83
63
77
58
71
68
100
100
100
92
83
55
75
64
76
88
91
80
90
94
100
95
98
90

High Clouds (% Sky Obscured)

100
100
100
83
95
100
100
100
100
47
48
72
85
86
49
26
76
100
75
70
70
73
90
87

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
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
1
6
2
6
6
3
31
95
95

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
2
0.6

Wind Speed/Direction (mph)

3
3
4
5
7
7
8
7
6
6
5
4
3
3
4
4
4
5
5
6
6
8
10
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
93
88
85
81
80
77
77
77
81
80
88
93
94
94
94
93
91
89
91
91
88
94

Pressure (mb)

1015
1015
1015
1014
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1016
1016
1016
1015
1015
1015
1014
1013
1013

Ozone (du)

374
373
373
372
373
371
367
362
360
358
358
357
356
355
357
357
359
360
360
360
359
358
357
356

Tuesday 31

Waxing Gibbous 99%

18:32

06:17

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
05 Bad

Sun - Rise: 06:58, Set: 19:45, Transit: 13:21. Moon - Rise: 18:32, Set: 06:17. Civil Dark: 20:14 - 06:29. Nautical Dark: 20:50 - 05:51. Astro Dark: 21:26 - 05:14

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
86
100
100
100
98
94
93
85
93
100
100
100
100
100
100
100
99
99
98
95

Medium Clouds (% Sky Obscured)

88
96
88
92
76
82
82
35
25
23
28
35
38
35
100
39
24
86
60
60
6
14
2
27

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
73
60
100
100
100
100
100
100
83
100
100
35
40
40
55
50

ISS Passover

Visibility (miles)

8
2
7
6
6
9
9
9
9
6
9
9
9
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
1
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
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
Moderate Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

89
95
69
95
65
46
37
39
53
76
95
95
95
85
48
36
35
48
95
95
7
10
8
8

Precipitation Amount (mm)

0.5
0.7
0.2
0.5
0
0
0
0
0
0.2
1.1
0.8
1.1
0.5
0
0
0
0
3.5
1.6
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
10
12
11
12
11
11
10
10
9
9
9
10
9
9
4
7
6
4
9
10
9

Chance of Frost

Temperature (°C)

4
4
4
4
3
4
4
4
5
5
7
8
9
10
9
7
6
4
2
1
0
-1
-2
-3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
94
93
91
89
91
93
94
94
96
98
98
98
98
100
100
100
100
100
98
98
98

Pressure (mb)

1012
1012
1012
1012
1012
1011
1010
1008
1007
1006
1005
1004
1004
1003
1003
1003
1003
1004
1005
1006
1007
1009
1010
1012

Ozone (du)

356
356
356
355
354
354
353
351
354
354
355
355
354
354
353
353
354
352
351
346
347
346
344
344

Wednesday 1

Full Moon 100%

19:41

06:35

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

Sun - Rise: 06:56, Set: 19:46, Transit: 13:21. Moon - Rise: 19:41, Set: 06:35. Civil Dark: 20:16 - 06:27. Nautical Dark: 20:51 - 05:49. Astro Dark: 21:28 - 05:12

Total Clouds (% Sky Obscured)

92
89
85
81
77
62
48
35
35
30
30
22
25
25
25
25
25
32
38
56
76
88
100
100

Low Clouds (% Sky Obscured)

92
89
78
73
70
48
29
6
2
1
4
3
8
1
0
0
1
1
1
3
13
24
30
25

Medium Clouds (% Sky Obscured)

43
38
50
20
1
45
45
35
32
0
0
1
10
4
25
25
25
32
38
35
57
77
100
99

High Clouds (% Sky Obscured)

35
25
26
13
15
8
7
5
5
10
20
16
25
25
25
25
25
32
38
49
66
82
100
100

ISS Passover

Visibility (miles)

0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
2
2
1

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
Snow
None

Precipitation Probability (%)

7
4
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
19
22
39
40

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
0.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
94
94
90
85
79
79
74
67
65
68
66
69
75
83
84
81
82
81
81
81
84
87
85

Pressure (mb)

1014
1016
1018
1020
1021
1022
1023
1024
1025
1025
1026
1026
1027
1028
1029
1030
1031
1031
1031
1032
1032
1032
1032
1032

Ozone (du)

347
349
353
355
355
354
356
356
356
357
355
353
346
346
348
347
345
342
342
344
343
342
342
341

Thursday 2

Waning Gibbous 99%

20:49

06:52

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
05 Bad

Sun - Rise: 06:54, Set: 19:47, Transit: 13:21. Moon - Rise: 20:49, Set: 06:52. Civil Dark: 20:17 - 06:25. Nautical Dark: 20:52 - 05:47. Astro Dark: 21:30 - 05:10

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
100
100
100

Low Clouds (% Sky Obscured)

30
30
20
20
25
30
30
30
30
35
40
53
70
89
93
96
100
97
95
94
95
95
95
93

Medium Clouds (% Sky Obscured)

97
96
97
99
100
100
100
100
100
100
100
100
100
100
99
98
98
95
93
91
89
87
87
85

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
67
48
59
79
100
99
98
97
100

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
6
3
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

62
79
94
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
91
64
81
95
95
95

Precipitation Amount (mm)

0.2
0.3
0.7
0.8
0.8
0.9
1.2
1.1
1.4
1
1
1.1
1.4
1.4
2.2
1.6
1.1
0.8
0.5
0
0.4
0.6
0.8
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-10
-8
-8
-7
-6
-6
-6
-5
-5
-4
-5
-5
-6
-5
-5
-5
-4
-5
-4
-2
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

85
87
89
91
91
91
92
94
92
94
93
93
93
94
92
92
94
93
93
89
89
91
93
94

Pressure (mb)

1032
1032
1032
1031
1031
1030
1030
1029
1028
1027
1026
1025
1025
1024
1023
1023
1023
1022
1022
1021
1020
1020
1019
1019

Ozone (du)

341
341
341
341
340
339
338
339
339
338
338
338
338
339
339
342
345
348
354
360
366
367
369
371

Friday 3

Waning Gibbous 95%

21:57

07:11

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
05 Bad

Sun - Rise: 06:53, Set: 19:49, Transit: 13:21. Moon - Rise: 21:57, Set: 07:11. Civil Dark: 20:18 - 06:23. Nautical Dark: 20:54 - 05:45. Astro Dark: 21:31 - 05:08

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

91
89
83
76
71
79
87
95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

86
87
76
64
52
36
28
24
22
23
26
18
12
2
1
1
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

99
98
67
32
0
1
1
6
10
16
19
26
32
38
37
48
59
70
68
30
70
69
75
72

ISS Passover

Visibility (miles)

3
6
9
9
9
9
8
7
6
6
6
6
7
8
9
9
9
8
9
9
9
9
8
7

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

Precipitation Probability (%)

95
95
95
94
67
55
44
34
35
34
29
22
14
1
2
2
0
2
4
4
5
4
1
3

Precipitation Amount (mm)

1.1
1.2
1
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
4
5
5
6
7
8
10
10
9
7
6
5
4
3
2
2
2
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

3
3
4
4
5
7
8
10
10
9
7
6
5
4
2
2
2
1
1
1
1
1
1
1

Relative Humidity (%)

94
93
93
94
94
98
98
100
100
100
100
100
98
98
96
98
98
98
96
96
96
96
96
98

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1021
1021
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

368
365
362
361
359
358
356
355
354
352
350
348
347
347
346
345
343
342
341
341
340
339
339
338

Saturday 4

Waning Gibbous 90%

23:05

07:33

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: 06:51, Set: 19:50, Transit: 13:20. Moon - Rise: 23:05, Set: 07:33. Civil Dark: 20:20 - 06:21. Nautical Dark: 20:55 - 05:43. Astro Dark: 21:33 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
97
96
98
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
87
81
84
87
90
92
94
96
96
95
95

Medium Clouds (% Sky Obscured)

2
3
13
25
40
45
55
55
55
54
54
36
19
1
5
9
16
33
50
65

High Clouds (% Sky Obscured)

66
67
71
84
81
83
79
66
51
34
25
25
24
31
53
75
96
99
100
100

ISS Passover

Visibility (miles)

5
3
0
0
0
0
0
0
0
0
0
0
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

Precipitation Type

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

Precipitation Probability (%)

4
2
27
39
48
62
66
66
64
59
51
39
27
11
27
43
52
65
72
74

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0.3
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
100
100
100
100
100
98
100
100
100
100
100
100
98
100
100
100
100

Pressure (mb)

1024
1024
1024
1024
1023
1023
1022
1021
1020
1020
1019
1018
1017
1017
1017
1016
1016
1015
1014
1013

Ozone (du)

340
342
344
344
344
344
343
341
340
340
340
340
338
337
335
334
333
332
330
328

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 29/03/26 06:14:13. Forecast: 29/03/26 to 04/04/26. Timezone: UTC-4.00