Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 57%

03:18

10:51

06 Bad
07 Bad
08 Bad
09 Bad
10 OK
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: 06:29, Set: 19:42, Transit: 13:05. Moon - Rise: 03:18, Set: 10:51. Civil Dark: 20:12 - 05:57. Nautical Dark: 20:48 - 05:21. Astro Dark: 21:26 - 04:42

Total Clouds (% Sky Obscured)

93
100
100
82
39
76
70
59
100
100
87
92
86
66
39
27
97
80
86
61
46
45
62
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
0
36
63
31
17
0
22
58
54
32
4
24
28
30

Medium Clouds (% Sky Obscured)

93
100
65
75
32
17
7
12
62
63
87
47
32
14
0
9
50
30
33
15
15
3
18
3

High Clouds (% Sky Obscured)

83
100
73
35
8
76
70
53
100
100
55
30
26
16
17
4
8
51
32
13
12
21
60
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
8
8
7
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
1
1
1
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
11
32
21
19
25
36
44
31
17
8
5
0
2
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
9
11
13
15
16
15
17
18
19
16
14
12
11
9
9
9
9
8
5
4
3
3

Chance of Frost

Temperature (°C)

2
3
4
6
9
11
13
14
16
17
17
16
14
12
11
10
10
9
9
9
8
6
6
5

Feels Like (°C)

-3
-2
-2
1
3
6
7
9
10
10
10
11
10
9
8
8
7
6
6
6
6
5
4
3

Dew Point (°C)

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

Relative Humidity (%)

60
59
55
54
52
50
50
51
51
51
55
67
70
81
90
95
95
93
93
95
96
96
96
94

Pressure (mb)

1027
1027
1027
1026
1025
1024
1023
1022
1021
1020
1020
1020
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023

Ozone (du)

368
369
369
367
368
367
365
361
360
360
360
364
362
364
365
365
363
363
364
362
361
358
351
343

Friday 10

Third Quarter 47%

03:49

11:56

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: 06:27, Set: 19:43, Transit: 13:05. Moon - Rise: 03:49, Set: 11:56. Civil Dark: 20:13 - 05:55. Nautical Dark: 20:49 - 05:19. Astro Dark: 21:28 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
99
98
97
87
90
89
81
41

Low Clouds (% Sky Obscured)

0
0
22
15
82
79
76
85
81
81
90
93
89
85
96
96
92
47
28
42
65
66
64
41

Medium Clouds (% Sky Obscured)

82
100
98
100
100
100
100
100
100
100
77
41
44
39
40
48
44
53
49
24
18
13
21
21

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
70
70
27
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
1
3
9
9
6
2
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

62
74
93
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Light Rain
Light Rain
Light Rain
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
None
None
None
None
None
None

Precipitation Probability (%)

1
77
95
95
62
74
95
95
95
95
95
65
46
26
5
0
2
3
3
4
3
2
2
0

Precipitation Amount (mm)

0
0.5
2.4
0.9
0.3
0.2
1.3
0.9
0.6
1
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
85
86
94
94
93
94
94
96
96
94
93
93
91
93
91
93
93
94
93
89
86
88
93

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1021
1021
1022
1023
1023
1023
1024
1024
1024
1025
1025
1026

Ozone (du)

340
337
336
337
339
341
339
337
338
339
340
339
340
341
347
354
357
369
375
379
382
388
388
386

Saturday 11

Waning Crescent 37%

04:15

13:05

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

Sun - Rise: 06:25, Set: 19:45, Transit: 13:05. Moon - Rise: 04:15, Set: 13:05. Civil Dark: 20:15 - 05:53. Nautical Dark: 20:51 - 05:17. Astro Dark: 21:29 - 04:38

Total Clouds (% Sky Obscured)

48
40
33
17
15
61
73
70
74
74
74
71
53
54
47
3
6
12
19
33
67
85
100
100

Low Clouds (% Sky Obscured)

48
40
33
17
15
41
42
31
41
49
51
51
45
36
29
0
0
8
19
0
0
0
0
0

Medium Clouds (% Sky Obscured)

11
1
0
0
0
0
0
0
0
0
5
4
0
0
0
0
0
0
0
0
0
0
45
60

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
33
60
85
100
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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
-1
-1
-1
0
-0
-1
-1
-1
-1
-1
-1
-1
0
0
0
0
0
0
0
-0
0
-1
-1

Relative Humidity (%)

94
91
80
71
65
58
53
48
46
45
45
47
51
62
71
76
80
85
88
89
89
91
88
88

Pressure (mb)

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

Ozone (du)

385
389
388
386
384
378
369
365
363
361
356
355
355
356
354
352
355
357
358
359
356
353
351
351

Sunday 12

Waning Crescent 28%

04:37

14:16

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: 06:23, Set: 19:46, Transit: 13:05. Moon - Rise: 04:37, Set: 14:16. Civil Dark: 20:16 - 05:51. Nautical Dark: 20:52 - 05:15. Astro Dark: 21:31 - 04:36

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)

0
4
4
5
5
5
5
5
24
43
62
43
24
5
21
43
60
50
38
30
37
48
55
47

Medium Clouds (% Sky Obscured)

67
79
86
92
100
100
100
100
98
100
100
100
100
100
96
92
88
90
92
94
96
98
100
51

High 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

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
5
28
44
37
38
45
57
67
95
95
95
77
18
31
55
70
95
93
95
95
95
81
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0.9
1.7
1.1
0.4
0
0
0
0.2
0.6
0.5
0.5
1.5
1.9
0.2
0

Wind Speed/Direction (mph)

4
4
4
4
5
5
6
5
7
7
6
6
6
8
8
10
12
14
15
15
15
15
15
14

Chance of Frost

Temperature (°C)

1
2
3
4
5
6
7
7
7
7
7
7
8
9
10
12
13
13
13
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
0
2
3
3
4
5
5
6
7
7
8
8
9
10
11
12
11
11
12
12
12

Relative Humidity (%)

86
83
79
76
79
76
78
84
88
85
88
96
96
93
84
81
84
89
90
89
92
95
96
95

Pressure (mb)

1030
1030
1030
1030
1030
1030
1028
1027
1025
1024
1022
1020
1019
1017
1015
1014
1014
1012
1012
1011
1011
1010
1010
1009

Ozone (du)

351
351
344
340
340
343
344
346
345
344
343
342
342
342
340
337
335
332
331
328
326
327
329
334

Monday 13

Waning Crescent 19%

04:57

15:28

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: 06:22, Set: 19:47, Transit: 13:04. Moon - Rise: 04:57, Set: 15:28. Civil Dark: 20:17 - 05:50. Nautical Dark: 20:54 - 05:13. Astro Dark: 21:33 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
96
64
82
77
89
100
97
100
64
60
59
59
61
74
86
98
98
98
98
99

Low Clouds (% Sky Obscured)

38
29
56
76
96
64
82
77
89
97
90
100
64
60
59
59
61
74
80
82
86
90
94
96

Medium Clouds (% Sky Obscured)

54
51
50
45
45
37
26
18
18
16
16
22
25
20
14
9
4
14
25
35
55
71
78
63

High Clouds (% Sky Obscured)

100
91
90
70
70
60
45
56
48
49
97
96
25
5
10
16
22
45
65
83
68
56
45
29

ISS Passover

Visibility (miles)

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

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 (%)

62
46
57
57
60
58
52
40
34
33
24
31
28
20
30
28
25
34
38
37
27
28
37
47

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
14
14
14
15
16
16
16
16
15
14
13
11
11
10
9
8
7
6
5
4
3
3
2

Chance of Frost

Temperature (°C)

13
13
13
14
14
15
16
16
17
17
16
16
15
15
15
14
13
13
12
12
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
13
13
12
12
13
13
13
13
13
13
12
12
12
12
11
11
11
10
10

Relative Humidity (%)

93
92
90
92
90
86
78
78
74
77
83
82
86
85
87
89
92
93
95
95
95
96
96
98

Pressure (mb)

1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

337
339
340
338
334
330
338
336
334
332
330
330
331
330
329
328
327
326
325
323
322
322
322
322

Tuesday 14

Waning Crescent 11%

05:16

16:41

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: 06:20, Set: 19:48, Transit: 13:04. Moon - Rise: 05:16, Set: 16:41. Civil Dark: 20:19 - 05:48. Nautical Dark: 20:55 - 05:11. Astro Dark: 21:35 - 04:31

Total Clouds (% Sky Obscured)

99
100
97
94
91
94
97
100
100
100
100
100
100
100
100
99
99
99
100
99
99
99
99
99

Low Clouds (% Sky Obscured)

98
100
88
75
63
67
71
75
76
77
78
86
93
100
98
95
93
89
84
80
81
81
79
81

Medium Clouds (% Sky Obscured)

62
55
55
55
55
67
74
86
78
70
66
65
63
65
64
63
61
47
34
35
63
75
82
77

High Clouds (% Sky Obscured)

15
34
74
81
87
87
91
100
99
100
100
69
39
8
25
42
59
73
84
97
93
87
91
92

ISS Passover

Visibility (miles)

4
2
0
0
0
0
0
0
0
0
0
0
3
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

54
60
77
93
95
95
94
91
95
95
95
95
95
87
75
56
19
24
20
3
26
43
60
62

Precipitation Amount (mm)

0
0.2
0.4
0.6
0.6
0.7
0.6
0.6
0.6
0.7
0.9
0.9
0.8
0.6
0.4
0.2
0
0
0
0
0
0
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
12
12
13
13
13
13
13
12
11
10
10
9
9
9
8
8
8
7
7
7
7

Feels Like (°C)

11
11
11
11
11
12
12
12
12
12
12
12
11
11
10
7
7
7
7
6
7
5
5
6

Dew Point (°C)

10
11
11
11
12
12
13
13
13
12
12
11
10
9
9
8
8
8
8
7
7
7
7
7

Relative Humidity (%)

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

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1013
1013
1014
1014
1015
1016
1015
1015
1015
1015
1015
1014

Ozone (du)

324
325
326
325
324
322
324
326
327
326
325
324
322
320
318
318
318
318
316
315
314
312
310
308

Wednesday 15

Waning Crescent 5%

05:36

17:56

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: 06:18, Set: 19:49, Transit: 13:04. Moon - Rise: 05:36, Set: 17:56. Civil Dark: 20:20 - 05:46. Nautical Dark: 20:57 - 05:09. Astro Dark: 21:36 - 04:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
95
91
85
90
95
100
100
100
100
100
100
100
81
58
43

Low Clouds (% Sky Obscured)

83
85
73
60
48
32
16
4
11
20
25
19
17
16
19
14
16
9
5
0

Medium Clouds (% Sky Obscured)

72
70
80
85
92
88
82
84
64
50
41
62
81
98
90
80
71
52
39
26

High Clouds (% Sky Obscured)

95
100
100
100
100
95
91
85
90
95
100
100
100
100
100
100
100
72
44
20

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

61
59
71
76
77
64
47
19
21
18
6
85
95
95
95
92
58
39
32
33

Precipitation Amount (mm)

0.3
0.3
0.4
0.4
0.4
0.3
0
0
0
0
0
0.6
1.2
1.7
1
0.5
0
0
0
0

Wind Speed/Direction (mph)

4
3
3
2
3
5
7
10
13
14
14
14
15
16
17
15
13
11
11
11

Chance of Frost

Temperature (°C)

8
9
10
12
13
15
17
20
23
23
23
23
21
19
18
17
16
15
14
14

Feels Like (°C)

5
5
5
10
11
12
12
13
13
24
23
21
20
21
20
14
14
13
13
12

Dew Point (°C)

8
9
10
12
13
15
16
18
19
18
17
16
16
16
16
15
14
13
12
12

Relative Humidity (%)

98
100
100
100
100
100
92
86
80
75
69
65
73
80
89
88
87
86
87
87

Pressure (mb)

1014
1014
1014
1013
1012
1012
1011
1010
1009
1008
1007
1006
1006
1006
1006
1006
1006
1007
1006
1006

Ozone (du)

307
307
307
305
302
300
298
296
293
292
292
291
295
299
302
308
314
320
324
328

Forecast for Sweets Corners, United Counties of Leeds and Grenville, Canada (44.55,-76.12)

Generated: 09/04/26 06:24:37. Forecast: 09/04/26 to 15/04/26. Timezone: UTC-4.00