Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Waxing Gibbous 98%

17:15

06:09

22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
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 OK
17 OK
18 OK
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:31, Set: 17:55, Transit: 12:13. Moon - Rise: 17:15, Set: 06:09. Civil Dark: 18:22 - 06:04. Nautical Dark: 18:53 - 05:33. Astro Dark: 19:24 - 05:01

Total Clouds (% Sky Obscured)

16
12
10
7
2
8
50
100
100
100
100
100
100
100
100
100
100
100
19
42
47
51
60
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
36
40
59

Medium Clouds (% Sky Obscured)

0
0
0
7
0
3
0
100
100
100
100
100
100
100
100
100
100
100
19
42
31
34
27
30

High Clouds (% Sky Obscured)

0
0
1
1
2
6
50
95
84
99
100
100
100
100
100
100
100
100
19
0
0
0
13
42

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
48
50
49
49
48
46
43
42
40
37
34
31
30
29
27
27
26
26
27
29
29
36
57

Pressure (mb)

1032
1032
1033
1034
1034
1035
1035
1035
1036
1037
1038
1039
1039
1039
1038
1037
1037
1037
1037
1037
1037
1037
1038
1038

Ozone (du)

349
350
346
348
350
351
347
347
348
349
349
353
357
358
360
362
364
364
366
367
352
345
340
340

Monday 2

Waxing Gibbous 100%

18:23

06:33

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:29, Set: 17:56, Transit: 12:13. Moon - Rise: 18:23, Set: 06:33. Civil Dark: 18:23 - 06:03. Nautical Dark: 18:54 - 05:31. Astro Dark: 19:25 - 05:00

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

86
99
95
99
100
93
93
95
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96

Medium Clouds (% Sky Obscured)

26
24
27
24
25
24
78
98
99
99
96
95
43
94
89
96
100
100
98
34
88
99
92
92

High Clouds (% Sky Obscured)

55
91
99
92
100
80
41
38
43
83
62
28
10
10
59
92
78
95
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
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
13
58
62
8

Precipitation Type

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

Precipitation Probability (%)

0
0
0
3
15
31
49
61
75
86
81
59
56
76
91
70
86
81
47
27
47
48
46
65

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.2
0.4
0.6
0.6
0.3
0
0.5
0.8
0.3
0.7
0.6
0
0
0.2
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
61
58
58
57
58
60
62
83
92
94
96
96
98
98
100
98
100
98
100
100
100
100
100

Pressure (mb)

1037
1037
1037
1037
1036
1035
1035
1035
1035
1035
1035
1034
1033
1032
1031
1030
1029
1028
1028
1027
1027
1026
1026
1025

Ozone (du)

339
342
343
344
341
339
337
338
339
341
344
345
342
338
336
335
335
339
339
340
335
335
337
340

Tuesday 3

Full Moon 99%

19:29

06:55

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:28, Set: 17:57, Transit: 12:12. Moon - Rise: 19:29, Set: 06:55. Civil Dark: 18:24 - 06:01. Nautical Dark: 18:55 - 05:30. Astro Dark: 19:26 - 04:58

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)

94
94
86
96
99
100
95
91
82
76
64
73
74
61
48
50
39
13
10
10
10
23
37
50

Medium Clouds (% Sky Obscured)

100
97
100
100
100
100
100
100
100
100
100
85
80
92
50
57
33
66
91
86
100
86
75
90

High Clouds (% Sky Obscured)

100
100
100
94
100
100
100
100
100
100
100
98
100
100
100
100
97
82
83
95
100
100
100
94

ISS Passover

Visibility (miles)

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

Fog (%)

3
5
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
None
None
None
None
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

95
95
72
52
55
65
65
47
34
17
17
26
18
53
35
10
6
7
65
66
80
31
29
19

Precipitation Amount (mm)

0.9
0.9
0.4
0.2
0.2
0.3
0.3
0.2
0
0
0
0
0
0.3
0
0
0
0
0.4
0.4
0.7
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1024
1024
1023
1023
1023
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

342
342
337
338
339
336
336
329
324
320
318
320
320
319
318
317
315
311
307
305
305
304
303
302

Wednesday 4

Waning Gibbous 97%

20:33

07:17

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:26, Set: 17:58, Transit: 12:12. Moon - Rise: 20:33, Set: 07:17. Civil Dark: 18:25 - 05:59. Nautical Dark: 18:56 - 05:28. Astro Dark: 19:28 - 04:57

Total Clouds (% Sky Obscured)

100
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)

54
58
62
71
85
93
92
89
88
92
92
95
96
98
100
86
80
85
90
95
95
95
100
100

Medium Clouds (% Sky Obscured)

37
28
78
98
47
99
75
99
45
55
55
48
54
42
53
65
64
70
72
88
86
77
67
57

High Clouds (% Sky Obscured)

68
42
13
39
70
100
92
86
80
61
42
25
35
49
57
69
85
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
9
4
5
3

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

Precipitation Probability (%)

4
9
42
18
28
22
38
54
64
78
86
93
81
76
71
61
48
28
25
26
31
55
57
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
5
5
5
5
5
5
5
5
6
8
8
10
11
12
12
12
11
10
10
9

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
100
98
98
100
100
98
100
100
100
98
96
91
84
75
72
76
83
88
93
96
98

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022
1023
1022
1022

Ozone (du)

299
299
299
298
297
296
299
298
297
299
302
302
300
298
299
303
306
307
306
305
302
303
303
303

Thursday 5

Waning Gibbous 92%

21:37

07:39

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 06:25, Set: 17:59, Transit: 12:12. Moon - Rise: 21:37, Set: 07:39. Civil Dark: 18:26 - 05:58. Nautical Dark: 18:57 - 05:27. Astro Dark: 19:29 - 04:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
98
98
98
95
95
95
92
93
91
90
93
94
95
88
90

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
99
98
96
94
92
89
77
65
53
44
51
51
41
31
20
41
39
37

Medium Clouds (% Sky Obscured)

70
82
92
94
95
96
52
32
19
14
6
0
0
0
0
0
1
1
12
22
30
38
46
52

High Clouds (% Sky Obscured)

100
100
100
100
100
100
43
8
4
4
8
12
14
5
8
12
15
18
28
39
48
38
19
14

ISS Passover

Visibility (miles)

0
0
0
0
0
0
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
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

82
86
65
38
41
47
59
60
59
50
39
22
18
3
0
1
1
0
0
0
0
8
13
14

Precipitation Amount (mm)

0.4
0.4
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
100
98
96
91
91
90
90
91
88
88
88
87
85
84
85
84
84
85
85
85
87

Pressure (mb)

1022
1022
1022
1021
1021
1021
1021
1022
1022
1023
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1025
1025
1025
1025

Ozone (du)

304
303
307
305
305
313
318
313
310
310
308
306
304
305
301
299
297
294
292
287
282
277
274
271

Friday 6

Waning Gibbous 85%

No Rise

08:03

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

Sun - Rise: 06:23, Set: 18:00, Transit: 12:12. Moon - Rise: No Rise, Set: 08:03. Civil Dark: 18:27 - 05:56. Nautical Dark: 18:58 - 05:25. Astro Dark: 19:30 - 04:54

Total Clouds (% Sky Obscured)

89
79
62
57
47
18
18
33
47
35
22
10
25
56
75
80
98
98
99
98
97
90
83
75

Low Clouds (% Sky Obscured)

37
36
35
21
12
3
13
23
33
22
11
0
0
5
15
36
50
70
78
81
76
75
75
74

Medium Clouds (% Sky Obscured)

29
16
2
2
2
1
8
17
26
17
9
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

8
6
5
3
2
0
0
0
0
3
7
10
25
40
21
17
13
11
26
40
51
37
24
23

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
6
3

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 (%)

16
13
3
4
1
0
0
0
0
1
1
0
1
0
0
0
0
0
1
2
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
5
5
4
4
4
4
4
4
4
5
5
6
6
6
6
7
6
5
4
5
6

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
8
10
10
10
11
11
11
11
12
12
12
11
11
11
11

Feels Like (°C)

4
5
4
4
4
4
5
5
5
5
7
7
7
7
6
7
9
10
9
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1021
1020
1019
1019
1018
1018
1017
1017
1016
1016

Ozone (du)

268
266
265
263
262
261
260
260
259
259
257
256
254
253
252
251
251
251
251
251
251
251
251
251

Saturday 7

Waning Gibbous 77%

22:41

09:30

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

Sun - Rise: 07:22, Set: 19:01, Transit: 13:11. Moon - Rise: 22:41, Set: 09:30. Civil Dark: 19:28 - 06:55. Nautical Dark: 19:59 - 06:24. Astro Dark: 20:31 - 05:52

Total Clouds (% Sky Obscured)

70
61
55
43
39
40
34
33
27
31
34
35
44
58
61
68
70
75
67
55
46

Low Clouds (% Sky Obscured)

65
60
49
33
31
40
34
33
27
31
34
33
40
47
52
50
47
49
38
25
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
3
3
5
4
5
9
8
12
23
35
44
35
25
15

High Clouds (% Sky Obscured)

26
19
10
25
39
40
34
30
14
23
26
19
24
39
61
68
70
75
67
55
46

ISS Passover

Visibility (miles)

0
3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
6
8

Fog (%)

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

Precipitation Probability (%)

1
5
0
1
4
0
0
0
0
7
17
18
46
67
87
88
81
78
58
41
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.5
0.7
0.3
0
0

Wind Speed/Direction (mph)

7
8
8
9
9
8
8
8
7
7
8
9
9
10
10
11
10
9
10
8
7

Chance of Frost

Temperature (°C)

11
12
13
14
14
14
14
14
13
13
15
17
18
20
21
22
22
21
21
19
18

Feels Like (°C)

10
9
9
9
14
13
13
13
13
14
14
15
15
16
16
16
23
22
21
21
21

Dew Point (°C)

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

Relative Humidity (%)

100
96
95
92
93
93
92
93
93
95
90
85
81
74
67
61
64
67
71
76
83

Pressure (mb)

1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

252
251
251
251
252
254
255
256
257
259
260
261
262
263
265
266
265
265
264
266
267

Forecast for Swarthmore, Delaware, United States of America (39.90,-75.35)

Generated: 01/03/26 22:45:25. Forecast: 01/03/26 to 07/03/26. Timezone: UTC-5.00