Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 57%

03:32

10:56

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: 06:37, Set: 19:53, Transit: 13:15. Moon - Rise: 03:32, Set: 10:56. Civil Dark: 20:23 - 06:06. Nautical Dark: 21:00 - 05:27. Astro Dark: 21:39 - 04:48

Total Clouds (% Sky Obscured)

97
83
73
87
92
100
100
100
70
48
66
50
57
47
68
82
59
60
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
58
72
87
100
90
100
70
48
55
22
39
22
0
0
0
1
1
2
2
3
12
66

Medium Clouds (% Sky Obscured)

71
20
30
46
37
100
100
71
1
0
0
0
0
0
0
0
0
0
0
3
28
90
100
100

High Clouds (% Sky Obscured)

50
55
14
5
23
100
100
86
65
48
66
50
57
47
68
82
59
55
79
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
2
5
9
5
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow

Precipitation Probability (%)

0
0
3
14
95
95
95
66
9
8
22
17
0
0
0
0
0
0
0
0
0
0
5
69

Precipitation Amount (mm)

0
0
0
0
1.8
2.4
1.1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

12
14
13
16
15
15
16
15
14
14
14
14
12
10
8
6
5
5
5
2
3
2
1
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
71
69
68
70
88
91
91
94
91
87
83
87
90
91
93
94
94
94
96
96
98
96
91

Pressure (mb)

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

Ozone (du)

361
362
360
362
362
359
360
361
367
369
368
366
364
368
368
365
362
363
365
369
362
351
339
332

Friday 10

Third Quarter 47%

04:02

12:02

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: 06:35, Set: 19:54, Transit: 13:15. Moon - Rise: 04:02, Set: 12:02. Civil Dark: 20:25 - 06:04. Nautical Dark: 21:02 - 05:25. Astro Dark: 21:41 - 04:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
100
100
100
95
86
91
92
91
91
87
85
89
93
89
83

Low Clouds (% Sky Obscured)

92
100
98
99
100
90
85
90
96
100
100
99
87
72
81
84
83
85
82
82
89
92
88
81

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
97
55
36
33
28
36
27
36
35
32
15
18
5
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
65
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
0
3
0
0
2
9
8
9
9
9
9
9
9
9
9
8
9
9
5
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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
82
49
20
9
0
2
5
3
11
1
5
4
9
16
2
0
0
0
0

Precipitation Amount (mm)

0.6
0.8
0.7
0.8
0.9
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
98
94
94
92
92
84
83
79
80
83
86
88
89
85
86
89
91
92
92
94
92
89
87

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021
1021
1022
1022
1023
1024
1025
1025
1025
1026
1026
1027
1027
1028

Ozone (du)

337
342
345
346
346
344
347
344
342
341
345
354
359
360
369
375
377
379
382
384
381
383
385
385

Saturday 11

Waning Crescent 37%

04:27

13:12

06 Bad
07 Bad
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 OK
22 Good
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:33, Set: 19:55, Transit: 13:14. Moon - Rise: 04:27, Set: 13:12. Civil Dark: 20:26 - 06:03. Nautical Dark: 21:03 - 05:23. Astro Dark: 21:43 - 04:43

Total Clouds (% Sky Obscured)

63
45
45
49
62
70
79
83
89
80
86
70
59
51
39
32
9
20
28
85
90
95
100
100

Low Clouds (% Sky Obscured)

53
30
20
17
43
49
56
67
77
64
69
56
54
34
10
9
1
1
1
1
5
10
16
11

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
42
64
76
91
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
6
3
0
3
6
9
20
28
85
90
95
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
1
6
3
7
0
0
0
1
2
0
0
0
0
0
0
0
0
0
0
7

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)

7
6
6
6
6
6
7
7
7
7
6
6
6
3
3
4
3
2
1
1
2
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
81
78
73
67
63
59
56
55
54
56
64
78
88
93
94
96
96
94
94
91
92
87

Pressure (mb)

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

Ozone (du)

382
378
375
372
371
372
368
366
364
360
359
359
360
357
356
356
357
357
356
354
353
351
349
350

Sunday 12

Waning Crescent 28%

04:48

14:23

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: 06:31, Set: 19:57, Transit: 13:14. Moon - Rise: 04:48, Set: 14:23. Civil Dark: 20:28 - 05:59. Nautical Dark: 21:05 - 05:21. Astro Dark: 21:45 - 04:41

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)

9
5
29
53
77
85
92
100
93
86
79
85
88
93
91
92
90
91
92
94
95
96
97
98

Medium Clouds (% Sky Obscured)

97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
74
65
66
59

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
96
85
86

ISS Passover

Visibility (miles)

9
2
1
0
0
0
2
6
2
2
3
9
9
6
3
1
0
6
2
2
7
0
0
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
Snow
Snow
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
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

30
45
85
89
89
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
77
90

Precipitation Amount (mm)

0
0.1
0.6
0.6
0.5
0.8
0.8
1.2
1.9
1.6
0.6
0.9
0.8
0.9
1.6
1.7
1.2
1.2
2.5
2.1
1.3
0.7
0.3
0.6

Wind Speed/Direction (mph)

4
6
6
6
8
9
10
11
13
12
13
13
13
14
14
15
16
16
15
14
14
14
15
15

Chance of Frost

Temperature (°C)

-1
0
1
1
2
2
2
2
2
2
3
4
4
5
6
7
8
9
10
11
12
12
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
93
96
96
96
96
93
94
96
96
96
96
94
96
98
96
96
95
95
95
96
96
96

Pressure (mb)

1029
1029
1029
1028
1027
1026
1024
1023
1021
1019
1017
1016
1015
1013
1012
1011
1009
1008
1007
1006
1006
1005
1005
1005

Ozone (du)

347
345
345
346
346
344
342
339
337
337
333
333
332
329
328
326
326
324
326
329
330
335
337
336

Monday 13

Waning Crescent 19%

05:07

15:36

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: 06:30, Set: 19:58, Transit: 13:14. Moon - Rise: 05:07, Set: 15:36. Civil Dark: 20:29 - 05:57. Nautical Dark: 21:06 - 05:19. Astro Dark: 21:47 - 04:39

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
98
97
98

Low Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
94
92
86

Medium Clouds (% Sky Obscured)

52
43
34
30
23
26
29
33
20
10
0
12
25
37
23
13
3
9
15
21
31
46
50
40

High Clouds (% Sky Obscured)

85
90
63
34
0
26
52
77
52
26
0
0
0
0
30
60
91
66
38
10
25
25
25
39

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
7
4
2
4
6
8
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

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

Precipitation Probability (%)

75
59
77
67
36
40
37
5
4
3
3
10
12
2
9
8
2
4
7
9
31
42
49
65

Precipitation Amount (mm)

0.3
0
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

15
15
14
14
14
14
14
13
12
11
11
9
9
7
5
4
4
3
3
2
3
3
4
4

Chance of Frost

Temperature (°C)

13
12
12
12
12
13
13
13
13
12
12
12
12
11
11
10
10
9
9
8
8
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
96
96
98
98
98
95
95
93
95
98
98
100
100
98
98
98
98
98
98

Pressure (mb)

1004
1004
1004
1005
1005
1005
1005
1006
1006
1007
1007
1008
1008
1009
1010
1011
1011
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

336
332
332
328
333
335
331
329
327
329
331
330
329
330
328
326
323
320
320
319
318
320
321
323

Tuesday 14

Waning Crescent 11%

05:26

16:50

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: 06:28, Set: 19:59, Transit: 13:14. Moon - Rise: 05:26, Set: 16:50. Civil Dark: 20:30 - 05:55. Nautical Dark: 21:08 - 05:17. Astro Dark: 21:48 - 04:37

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

80
74
82
91
100
97
93
91
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

35
30
50
73
100
98
96
92
80
67
60
69
81
93
68
47
33
41
46
65
74
74
74
83

High Clouds (% Sky Obscured)

64
87
91
96
100
98
90
74
61
50
40
35
27
18
35
65
94
87
92
100
72
47
20
47

ISS Passover

Visibility (miles)

0
0
0
0
0
0
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
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

79
95
95
95
95
95
95
95
95
95
69
44
32
8
8
6
1
39
51
53
80
95
95
95

Precipitation Amount (mm)

0.3
0.6
0.9
1
0.8
0.9
1.5
1.4
1.3
0.9
0.4
0
0
0
0
0
0
0
0
0.2
0.4
0.7
0.9
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

323
324
324
326
328
329
329
328
328
326
325
324
323
322
321
320
319
317
317
316
316
315
315
315

Wednesday 15

Waning Crescent 5%

05:45

18:06

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: 06:26, Set: 20:01, Transit: 13:13. Moon - Rise: 05:45, Set: 18:06. Civil Dark: 20:32 - 05:53. Nautical Dark: 21:09 - 05:15. Astro Dark: 21:50 - 04:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
96
95
79
63
47
58
70
82

Low Clouds (% Sky Obscured)

100
100
95
90
84
83
81
80
80
78
77
68
61
53
47
38
22
31
40
53

Medium Clouds (% Sky Obscured)

91
100
99
97
95
90
83
76
70
64
55
44
37
31
33
33
33
24
14
7

High Clouds (% Sky Obscured)

70
100
100
100
100
100
100
100
100
100
100
84
63
41
27
15
5
5
4
5

ISS Passover

Visibility (miles)

0
0
0
0
0
0
3
6
9
9
9
9
9
9
9
8
7
5
7
8

Fog (%)

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

Precipitation Probability (%)

92
84
89
88
83
74
59
42
76
92
95
92
72
45
45
38
38
62
74
94

Precipitation Amount (mm)

0.6
0.4
0.4
0.5
0.4
0.4
0.2
0
0.4
0.6
0.6
0.6
0.3
0
0
0
0
0.2
0.3
0.6

Wind Speed/Direction (mph)

8
9
10
10
11
12
13
14
15
15
16
16
16
17
17
16
16
16
16
16

Chance of Frost

Temperature (°C)

9
10
10
11
12
13
15
16
18
17
17
16
16
16
16
16
15
15
13
12

Feels Like (°C)

6
6
6
9
9
9
9
10
10
16
16
15
15
14
14
13
12
12
11
11

Dew Point (°C)

9
10
10
11
12
12
13
15
16
15
15
14
13
12
11
11
11
11
10
9

Relative Humidity (%)

98
98
96
96
96
96
92
89
86
86
86
86
82
78
73
75
78
79
82
81

Pressure (mb)

1011
1010
1010
1009
1008
1007
1006
1005
1004
1004
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

312
310
307
305
303
300
299
297
296
298
301
303
309
316
322
331
339
347
346
344

Forecast for Algonquin Park, Canada (45.58,-78.51)

Generated: 09/04/26 05:58:55. Forecast: 09/04/26 to 15/04/26. Timezone: UTC-4.00