Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waning Gibbous 76%

00:58

08:59

01 Good
02 OK
03 Good
04 Good
05 Bad
06 OK
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

Sun - Rise: 06:07, Set: 19:46, Transit: 12:57. Moon - Rise: 00:58, Set: 08:59. Civil Dark: 20:17 - 05:37. Nautical Dark: 20:54 - 05:00. Astro Dark: 21:34 - 04:20

Total Clouds (% Sky Obscured)

3
26
3
8
59
35
99
100
100
100
100
100
100
100
100
99
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
21
43
15
52
61
97
100
88
100
61
84
78
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
70
100
100
100
100
100
95
94
100
75
80
61
94
79
69

High Clouds (% Sky Obscured)

3
7
3
6
59
35
98
100
100
100
100
100
63
100
100
84
75
59
44
92
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
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
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
22
34
76
63
78
91
71
67
38
22
17
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0
0.4
0.8
0.4
0.4
0
0
0
0

Wind Speed/Direction (mph)

6
5
4
3
3
3
4
4
5
7
10
11
13
13
13
11
11
10
10
11
10
10
10
11

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-0
3
6
8
10
12
13
13
13
11
11
11
11
11
11
12
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
72
70
67
63
61
54
40
35
33
33
33
37
43
46
72
80
95
88
87
87
86
87
86

Pressure (mb)

1025
1025
1024
1024
1024
1024
1024
1023
1022
1021
1019
1018
1017
1016
1015
1015
1015
1014
1014
1014
1013
1013
1012
1011

Ozone (du)

374
373
373
372
367
361
357
355
355
356
355
354
352
351
346
346
341
341
341
340
342
342
338
337

Saturday 19

Waning Gibbous 67%

01:50

09:57

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:05, Set: 19:48, Transit: 12:56. Moon - Rise: 01:50, Set: 09:57. Civil Dark: 20:18 - 05:35. Nautical Dark: 20:55 - 04:58. Astro Dark: 21:35 - 04:17

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
99
95
97
92
93
94
94
83
80

Low Clouds (% Sky Obscured)

60
26
25
30
73
75
81
95
100
100
100
97
100
100
100
95
76
86
84
81
83
80
83
80

Medium Clouds (% Sky Obscured)

92
98
85
46
86
59
72
91
96
55
32
23
59
46
62
63
56
38
30
13
24
24
21
2

High Clouds (% Sky Obscured)

100
91
100
100
100
100
100
45
100
100
99
88
92
98
55
87
69
65
48
19
54
46
9
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
3
3
9
1
9
9
4
3
2
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
1
1
0
0

Precipitation Type

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

Precipitation Probability (%)

12
37
13
3
18
71
95
71
36
50
27
32
56
78
64
66
26
16
4
3
10
15
21
6

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.8
0.3
0
0.2
0
0
0
0.6
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
14
14
14
14
13
14
15
16
15
14
14
14
13
11
10
9
7
6

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
12
13
13
13
13
12
14
14
15
15
13
11
12
11
10
8
7
6
4

Relative Humidity (%)

87
87
87
87
87
90
93
95
95
96
92
95
95
95
96
90
83
89
89
90
87
88
88
90

Pressure (mb)

1011
1011
1010
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1013
1014
1015
1016
1017
1019

Ozone (du)

334
335
333
331
331
328
327
326
325
324
323
324
325
328
330
332
332
333
332
330
327
330
330
330

Sunday 20

Third Quarter 57%

02:34

11:05

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

Sun - Rise: 06:04, Set: 19:49, Transit: 12:56. Moon - Rise: 02:34, Set: 11:05. Civil Dark: 20:19 - 05:33. Nautical Dark: 20:57 - 04:56. Astro Dark: 21:37 - 04:15

Total Clouds (% Sky Obscured)

96
87
84
96
86
87
50
76
18
15
60
28
41
67
100
100
85
99
85
86
83
77
85
92

Low Clouds (% Sky Obscured)

59
79
75
93
86
72
50
60
18
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
22
5
3
2
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
35
57
63

High Clouds (% Sky Obscured)

23
5
70
75
4
60
1
27
2
9
60
28
41
67
100
100
82
98
85
86
83
77
85
91

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
10
2
3
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
12
12
11
11
11
11
11
11
11
11
11
11
11
11
10
10
8
7
4
3
2
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
88
84
86
84
83
71
57
50
45
42
37
35
37
38
41
45
53
65
69
71
70
69

Pressure (mb)

1020
1020
1022
1023
1024
1025
1027
1027
1028
1029
1028
1028
1028
1028
1028
1028
1029
1029
1029
1030
1031
1031
1031
1031

Ozone (du)

335
335
334
337
338
339
345
349
354
353
351
350
351
351
347
347
346
346
342
341
340
340
339
338

Monday 21

Waning Crescent 46%

03:09

12:17

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:02, Set: 19:50, Transit: 12:56. Moon - Rise: 03:09, Set: 12:17. Civil Dark: 20:21 - 05:31. Nautical Dark: 20:58 - 04:54. Astro Dark: 21:39 - 04:13

Total Clouds (% Sky Obscured)

100
100
100
100
98
97
96
79
63
48
65
79
100
100
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
12
55
65
63
48
65
79
92
88
86
81
72
66
53
67
79
91
91
90

Medium Clouds (% Sky Obscured)

72
82
93
90
82
87
85
75
63
48
65
79
100
99
97
95
96
98
85
99
98
87
92
88

High Clouds (% Sky Obscured)

100
99
98
97
90
84
77
57
32
10
40
70
100
97
93
89
88
87
86
91
95
100
100
90

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
6
10
59
75
95
93
53
49
70
95
95
95
87
90
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
1
0.7
0
0
0.3
0.8
1.3
0.6
0.4
0.6
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
69
66
65
65
59
59
49
49
59
59
75
87
93
96
94
91
96
98
96
98
98
98

Pressure (mb)

1030
1030
1029
1029
1029
1028
1028
1027
1026
1025
1024
1023
1022
1021
1020
1019
1018
1017
1017
1016
1016
1015
1014
1014

Ozone (du)

338
336
337
335
334
331
332
333
333
332
329
327
326
324
323
323
323
322
322
320
321
323
324
325

Tuesday 22

Waning Crescent 35%

03:37

13:33

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:01, Set: 19:51, Transit: 12:56. Moon - Rise: 03:37, Set: 13:33. Civil Dark: 20:22 - 05:30. Nautical Dark: 21:00 - 04:52. Astro Dark: 21:41 - 04:11

Total Clouds (% Sky Obscured)

100
94
89
82
78
78
77
73
70
66
62
58
56
50
45
40
55
55
55
55
55
60
65
65

Low Clouds (% Sky Obscured)

91
90
89
82
78
74
71
65
59
54
45
36
27
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

86
28
6
0
0
0
0
0
0
0
0
0
8
18
26
34
22
12
2
3
5
6
5
3

High Clouds (% Sky Obscured)

85
53
23
0
0
0
0
2
0
0
0
0
2
5
8
10
8
5
1
1
0
0
0
0

ISS Passover

Visibility (miles)

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

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 (%)

45
32
25
26
16
30
24
21
19
19
21
20
16
20
20
20
20
21
20
23
24
22
24
22

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)

8
8
7
7
8
9
10
10
12
13
14
14
14
15
15
15
15
14
13
12
11
10
9
8

Chance of Frost

Temperature (°C)

8
9
9
9
9
8
8
8
8
8
8
8
9
8
12
12
12
11
10
9
8
7
7
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
98
93
91
93
93
91
91
90
88
91
93
93
92
90
93
95
98
96
96
98
98

Pressure (mb)

1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017
1017
1018
1019

Ozone (du)

326
327
329
329
329
333
340
347
351
356
355
355
355
356
357
359
360
361
362
364
365
366
367
366

Wednesday 23

Waning Crescent 24%

04:01

14:50

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:59, Set: 19:52, Transit: 12:56. Moon - Rise: 04:01, Set: 14:50. Civil Dark: 20:23 - 05:28. Nautical Dark: 21:01 - 04:50. Astro Dark: 21:43 - 04:09

Total Clouds (% Sky Obscured)

65
71
87
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
95
92

Low Clouds (% Sky Obscured)

0
0
0
5
0
0
15
0
0
0
12
24
37
33
43
59
67
71
79
92
97
96
93
89

Medium Clouds (% Sky Obscured)

1
6
11
16
15
9
2
5
8
11
15
15
14
15
19
22
24
25
29
34
34
35
41
52

High Clouds (% Sky Obscured)

0
0
0
0
0
6
11
24
38
51
45
34
20
13
14
15
11
7
3
36
62
79
59
38

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
1
2
4
5
7
8
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 (%)

14
14
13
10
10
9
4
9
10
10
11
10
9
7
4
0
0
0
0
0
0
0
4
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)

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

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
4
6
8
10
11
12
13
15
16
19
18
17
16
15
15
14
13

Feels Like (°C)

-1
-1
-1
-1
-1
-1
-1
0
2
3
5
6
6
6
12
13
16
16
15
15
13
12
12
11

Dew Point (°C)

4
3
3
3
3
3
4
4
5
6
8
8
8
9
10
12
15
15
14
14
13
13
12
11

Relative Humidity (%)

98
98
98
96
96
96
98
98
93
90
88
83
77
74
75
75
77
81
85
89
89
89
87
87

Pressure (mb)

1019
1020
1020
1020
1021
1021
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

365
364
366
368
370
366
361
357
356
355
355
355
355
354
353
352
351
351
350
349
348
347
346
345

Thursday 24

Waning Crescent 15%

04:23

16:08

Sun - Rise: 05:57, Set: 19:54, Transit: 12:56. Moon - Rise: 04:23, Set: 16:08. Civil Dark: 20:25 - 05:26. Nautical Dark: 21:03 - 04:48. Astro Dark: 21:44 - 04:07

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Mount Arab, St. Lawrence, United States of America (44.10,-74.52)

Generated: 18/04/25 01:35:02. Forecast: 18/04/25 to 24/04/25. Timezone: UTC-4.00